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Citing | Administration and support services | Imperial College London

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</div> </div> </div> </header> <main id="page"> <div class="show-no-js"> <div class="container"> <p class="step-1">In this section</p> <nav class="nav-fallback"> <ul class="nav-fallback__parent"> <li> <a class="lwi" href="/admin-services/library/"> Library Services </a> </li> </ul> </nav> </div> </div> <div class="container content-template" id="content"> <nav class="page-area-heading"> <a href="/admin-services/library/">Library Services</a> </nav> <div class="page-heading lg-8 sm-12"> <div class="breadcrumbs"> <ul> <li><a href="/">Imperial Home</a></li> <li><a href="/admin-services/">Administration and support services</a></li><li><a href="/admin-services/library/">Library Services</a></li><li><a href="/admin-services/library/learning-support/">Learning and teaching support</a></li><li><a href="/admin-services/library/learning-support/reference-management/">Reference management</a></li><li><a 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href="/admin-services/library/learning-support/reference-management/vancouver-style/citing/">Citing</a></span></li><li><a href="/admin-services/library/learning-support/reference-management/vancouver-style/using-quotations/">Using quotations</a></li><li><a href="/admin-services/library/learning-support/reference-management/vancouver-style/your-reference-list/">Your reference list and bibliography</a></li></ul> </div> </div> </aside> <div class="col lg-8 sm-12" role="main" id="primary-content"> <!-- Search text crawl start --> <div class="module flow-m"> <div class="row wysiwyg"> <h2>Citing using the Vancouver style</h2> <p>Each piece of work cited in your text should have a unique number, assigned in the order of citation. If, in your text, you cite a piece of work more than once, the same citation number should be used. You can write the number in brackets or as superscript.</p> </div><!-- begin Accordion widget --> <div class="heading"> <h2 class="title fake-h3 not-sr-only"> Examples </h2> </div> <div class="a11y-accordion-tabs wysiwyg"> <div class="accordion-tabs js-tabs" data-tabs-allowed="false" data-start-collapsed="true"> <ul role="tablist" class="tabs-tab-list"> <li role="presentation"> <a href="#tabpanel_290685" role="tab" id="tab_290685" aria-controls="tabpanel_290685" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing one piece of work </a> </li><li role="presentation"> <a href="#tabpanel_290686" role="tab" id="tab_290686" aria-controls="tabpanel_290686" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing more than one piece of work at the same time </a> </li><li role="presentation"> <a href="#tabpanel_290688" role="tab" id="tab_290688" aria-controls="tabpanel_290688" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing the author's name in your text </a> </li><li role="presentation"> <a href="#tabpanel_290690" role="tab" id="tab_290690" aria-controls="tabpanel_290690" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing more than one author's name in your text </a> </li><li role="presentation"> <a href="#tabpanel_290691" role="tab" id="tab_290691" aria-controls="tabpanel_290691" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing from chapters written by different authors </a> </li><li role="presentation"> <a href="#tabpanel_290692" role="tab" id="tab_290692" aria-controls="tabpanel_290692" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing works by the same author written in the same year </a> </li><li role="presentation"> <a href="#tabpanel_290694" role="tab" id="tab_290694" aria-controls="tabpanel_290694" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing from works with no obvious author </a> </li><li role="presentation"> <a href="#tabpanel_290695" role="tab" id="tab_290695" aria-controls="tabpanel_290695" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing from multimedia works </a> </li><li role="presentation"> <a href="#tabpanel_290696" role="tab" id="tab_290696" aria-controls="tabpanel_290696" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing from an interview or personal communication </a> </li><li role="presentation"> <a href="#tabpanel_290697" role="tab" id="tab_290697" aria-controls="tabpanel_290697" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing a direct quotation </a> </li><li role="presentation"> <a href="#tabpanel_290698" role="tab" id="tab_290698" aria-controls="tabpanel_290698" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing using a secondary reference </a> </li><li role="presentation"> <a href="#tabpanel_856207" role="tab" id="tab_856207" aria-controls="tabpanel_856207" aria-selected="true" class="tabs-trigger js-tabs-trigger"> Citing an image/illustration/table/diagram/photograph/figure/picture </a> </li> </ul> <section id='tabpanel_290685' role='tabpanel' aria-labelledby='tab_290685' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290685' tabindex='0'> Citing one piece of work <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>Recent research (1) indicates that the number of duplicate papers being published is increasing.</p> <p>or</p> <p>&nbsp;Recent research<sup>1</sup> indicates that the number of duplicate papers being published is increasing.</p> </div> </section><!-- .content --><section id='tabpanel_290686' role='tabpanel' aria-labelledby='tab_290686' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290686' tabindex='0'> Citing more than one piece of work at the same time <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If you want to cite several pieces of work in the same sentence, you will need to include the citation number for each piece of work. A hyphen should be used to link numbers which are inclusive, and a comma used where numbers are not consecutive.</p> <p>The following is an example where works 6, 7, 8, 9, 13 and 15 have been cited in the same place in the text.</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Several studies (6-9, 13, 15) have examined the effect of congestion charging in urban areas.</p> </div> </section><!-- .content --><section id='tabpanel_290688' role='tabpanel' aria-labelledby='tab_290688' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290688' tabindex='0'> Citing the author's name in your text <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>You can use the author's name in your text, but you must insert the citation number as well.</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; As emphasised by Watkins (2) carers of diabetes sufferers &lsquo;require perseverance and an understanding of humanity' (p. 1).</p> </div> </section><!-- .content --><section id='tabpanel_290690' role='tabpanel' aria-labelledby='tab_290690' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290690' tabindex='0'> Citing more than one author's name in your text <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If there is more than one author use 鈥榚t al.' after the first author.</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Simons et al. (3) state that the principle of effective stress is 鈥榠mperfectly known and understood by many practising engineers' (p. 4).</p> </div> </section><!-- .content --><section id='tabpanel_290691' role='tabpanel' aria-labelledby='tab_290691' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290691' tabindex='0'> Citing from chapters written by different authors <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>Some books may contain chapters written by different authors. When citing work from such a book, the author who wrote the chapter should be cited, not the editor of the book.</p> </div> </section><!-- .content --><section id='tabpanel_290692' role='tabpanel' aria-labelledby='tab_290692' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290692' tabindex='0'> Citing works by the same author written in the same year <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If you cite a new work which has the same author and was written in the same year as an earlier citation, each work will have a different number.</p> <p>Communication of science in the media has increasingly come under focus, particularly where reporting of facts and research is inaccurate (4, 5).</p> </div> </section><!-- .content --><section id='tabpanel_290694' role='tabpanel' aria-labelledby='tab_290694' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290694' tabindex='0'> Citing from works with no obvious author <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If you need to cite a piece of work which does not have an obvious author, you should use what is called a &lsquo;corporate' author. For example, many online works will not have individually named authors, and in many cases the author will be an organisation or company. Using the Vancouver style you don't have to include the author in your citation in the text of your work, but you still need to include an author in the full reference at the end of your work.</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Department of Health (6) advocates a national strategy is creating a framework to drive improvements in dementia services.</p> <p>or</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A national strategy is creating a framework to drive improvements in dementia services (6).</p> <p>If you are unable to find either a named or corporate author, you should use &lsquo;Anon' as the author name. <strong>Be careful</strong>: if you cannot find an author for online work, it is not a good idea to use this work as part of your research. It is essential that you know where a piece of work has originated, because you need to be sure of the quality and reliability of any information you use.</p> </div> </section><!-- .content --><section id='tabpanel_290695' role='tabpanel' aria-labelledby='tab_290695' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290695' tabindex='0'> Citing from multimedia works <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If you need to cite a multimedia work, you would usually use the title of the TV programme (including online broadcasts) or video recording, or title of the film (whether on DVD or video) as the author. If a video is posted on YouTube or other video-streaming web services then you should reference the person who uploaded the video (this might be a username).</p> <p>Using the Vancouver style, you don't have to include the author in your citation in the text of your work, but you still need to include the author of the work in your reference list at the end of your work.</p> </div> </section><!-- .content --><section id='tabpanel_290696' role='tabpanel' aria-labelledby='tab_290696' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290696' tabindex='0'> Citing from an interview or personal communication <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>Always use the surname of the interviewee/practitioner as the author.</p> </div> </section><!-- .content --><section id='tabpanel_290697' role='tabpanel' aria-labelledby='tab_290697' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290697' tabindex='0'> Citing a direct quotation <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>If a direct quote from a book, article, etc. is used you must:</p> <ul> <li>Use single quotation marks (double quotation marks are usually used for quoting direct speech)</li> <li>State the page number</li> </ul> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; It has been emphasised (2) that carers of diabetes sufferers &lsquo;require perseverance and an understanding of humanity' (p. 1).</p> <p>Duplication of charts, diagrams, pictures, etc.; should be treated as direct quotes and cited as described above.</p> </div> </section><!-- .content --><section id='tabpanel_290698' role='tabpanel' aria-labelledby='tab_290698' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_290698' tabindex='0'> Citing using a secondary reference <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>Secondary references are when an author refers to another author's work and the primary source is not available. When citing such work the author of the primary source and the author of the work it was cited in should be used.</p> <p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; According to Colluzzi and Pappagallo as cited by Holding et al (7) most patients given opiates do not become addicted to such drugs.</p> <p><strong>Secondary referencing should be avoided wherever possible and you should always try to find the original work. If it is not possible to obtain the original work, reference the secondary source, not the primary source. Only reference the source that you have used.</strong></p> </div> </section><!-- .content --><section id='tabpanel_856207' role='tabpanel' aria-labelledby='tab_856207' class='tabs-panel js-tabs-panel' tabindex='0'> <div class='accordion-trigger js-accordion-trigger' aria-controls='tabpanel_856207' tabindex='0'> Citing an image/illustration/table/diagram/photograph/figure/picture <svg role='img' aria-hidden='true' focusable='false' class='icon icon--m'><use xlink:href='/assets/website/images/svg/icons.svg#chevron-down'></use></svg> </div> <div class='content' aria-hidden='false'> <p>You should provide an in-text citation for any images, illustrations, photographs, diagrams, tables, figures or pictures that you reproduce in your work, and provide a full reference as with&nbsp;any other type of work.</p> <p>They should be treated as direct quotes in that the author(s) should be acknowledged and&nbsp;page numbers shown; both in your text where the diagram is discussed or introduced, 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