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class="noprint"></div> <div id="content" class="mw-body" role="main"> <a id="top"></a> <div id="siteNotice"></div> <div class="mw-indicators"> <div id="mw-indicator-pp-default" class="mw-indicator"><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Wikipedia:Protection_policy#semi" title="This page is semi-protected."><img alt="Page semi-protected" src="//web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Padlock-silver.svg/20px-Padlock-silver.svg.png" width="20" height="20" srcset="//web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Padlock-silver.svg/30px-Padlock-silver.svg.png 1.5x, //web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Padlock-silver.svg/40px-Padlock-silver.svg.png 2x" data-file-width="128" data-file-height="128"/></a></div> </div> <h1 id="firstHeading" class="firstHeading" lang="en">Help:Introduction to referencing/1</h1> <div id="bodyContent" class="mw-body-content"> <div id="siteSub">From Wikipedia, the free encyclopedia</div> <div id="contentSub"><span class="subpages">< <a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing" title="Help:Introduction to referencing">Help:Introduction to referencing</a></span></div> <div id="jump-to-nav" class="mw-jump"> Jump to: <a href="#mw-head">navigation</a>, <a href="#p-search">search</a> </div> <div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div style="max-width: 1100px; margin:auto;"> <table style="width: 100%; border-collapse: collapse; border: 1px solid black; -moz-box-shadow: 2px 2px 2px #CCC; -webkit-box-shadow: 2px 2px 2px #CCC; box-shadow: 2px 2px 2px #CCC;"> <tr style="vertical-align:top;"> <td style="width: 22em; padding: 0; border-right: 1px solid #c9c9c9; vertical-align: top;"> <p><br/></p> <div class="help-intro-sidetab help-intro-sidetab-active" style="min-height: 5em; height: auto !important; height: 5em; border-left: 1em solid #3366bb; padding: 0.6em 1em 0.6em 1em;"> <p><strong class="selflink"><span class="help-intro-sidetab-title" style="font-size: 1.5em; font-weight: bold;">Verifiability</span></strong><br/> <span class="help-intro-sidetab-subtitle">Why references are important</span></p> </div> <div class="help-intro-sidetab" style="min-height: 5em; height: auto !important; height: 5em; padding: 0.6em 1em 0.6em 2em;"> <p><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/2" title="Help:Introduction to referencing/2"><span class="help-intro-sidetab-title" style="font-size: 1.5em; font-weight: bold;">Inline citations</span></a><br/> <span class="help-intro-sidetab-subtitle">How to add them</span></p> </div> <div class="help-intro-sidetab" style="min-height: 5em; height: auto !important; height: 5em; padding: 0.6em 1em 0.6em 2em;"> <p><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/3" title="Help:Introduction to referencing/3"><span class="help-intro-sidetab-title" style="font-size: 1.5em; font-weight: bold;">RefToolbar</span></a><br/> <span class="help-intro-sidetab-subtitle">Citations the easy way</span></p> </div> <div class="help-intro-sidetab" style="min-height: 5em; height: auto !important; height: 5em; padding: 0.6em 1em 0.6em 2em;"> <p><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/4" title="Help:Introduction to referencing/4"><span class="help-intro-sidetab-title" style="font-size: 1.5em; font-weight: bold;">Reliable sources</span></a><br/> <span class="help-intro-sidetab-subtitle">Which sources are good enough?</span></p> </div> <div class="help-intro-sidetab" style="min-height: 5em; height: auto !important; height: 5em; padding: 0.6em 1em 0.6em 2em;"> <p><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/5" title="Help:Introduction to referencing/5"><span class="help-intro-sidetab-title" style="font-size: 1.5em; font-weight: bold;">Summary</span></a><br/> <span class="help-intro-sidetab-subtitle">Review of what you've learned</span></p> </div> <p><br/></p> </td> <td style="padding: 2em;"> <div style="position:relative;top:-3em"><span id="WP:INTREF"></span><span id="WP:INTREF1"></span></div> <table class="shortcutbox noprint" style="float:right;border:1px solid #aaa;background:#fff;margin:.3em .3em .3em 1em;padding:3px;text-align:center"> <tr> <th class="plainlist" style="border:none;background:transparent"><small><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Wikipedia:Shortcut" title="Wikipedia:Shortcut">Shortcuts</a>:</small> <ul> <li><small><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Wikipedia:INTREF" title="Wikipedia:INTREF" class="mw-redirect">WP:INTREF</a></small></li> <li><small><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Wikipedia:INTREF1" title="Wikipedia:INTREF1" class="mw-redirect">WP:INTREF1</a></small></li> </ul> </th> </tr> </table> <div class="thumb tleft"> <div class="thumbinner" style="width:302px;"><a href="/web/20150507174019/http://en.wikipedia.org/wiki/File:Webcomic_xkcd_-_Wikipedian_protester.png" class="image"><img alt="" src="//web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Webcomic_xkcd_-_Wikipedian_protester.png/300px-Webcomic_xkcd_-_Wikipedian_protester.png" width="300" height="163" class="thumbimage" srcset="//web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/thumb/3/31/Webcomic_xkcd_-_Wikipedian_protester.png/450px-Webcomic_xkcd_-_Wikipedian_protester.png 1.5x, //web.archive.org/web/20150507174019im_/http://upload.wikimedia.org/wikipedia/commons/3/31/Webcomic_xkcd_-_Wikipedian_protester.png 2x" data-file-width="500" data-file-height="271"/></a> <div class="thumbcaption"> <div class="magnify"><a href="/web/20150507174019/http://en.wikipedia.org/wiki/File:Webcomic_xkcd_-_Wikipedian_protester.png" class="internal" title="Enlarge"></a></div> "Wikipedian protester" by <a href="/web/20150507174019/http://en.wikipedia.org/wiki/Randall_Munroe" title="Randall Munroe">Randall Munroe</a>. Wikipedians are famous for demanding <a href="/web/20150507174019/http://en.wikipedia.org/wiki/Citation_needed" title="Citation needed" class="mw-redirect">citations for facts</a>!</div> </div> </div> <p>One of the key policies of Wikipedia is that all article content has to be <b>verifiable</b>. This means that a <b>reliable source</b> must be able to support the material. All quotations and any material whose verifiability has been challenged or is likely to be challenged must include an <i>inline citation</i> of a source that directly supports the material. This also means that this is no place for original work, archival findings that have not been published, or evidence from any source that has not been published.</p> <p>If you are adding such new content, it is your responsibility to add source information along with it. Material provided without a source may be removed from an article. Sometimes such material will be tagged first with the {{<a href="/web/20150507174019/http://en.wikipedia.org/wiki/Template:Citation_needed" title="Template:Citation needed">citation needed</a>}} template to give editors time to find and add sources.</p> <p>This tutorial will show you how to add inline citations to your articles, and also briefly explain what counts as a reliable source.<br style="clear:both;"/></p> <div style="float: right;" class="help-intro-next"><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Introduction_to_referencing/2" title="Help:Introduction to referencing/2"><span class="mw-ui-button mw-ui-primary">Next >></span></a></div> </td> </tr> </table> </div>    <noscript><img src="//web.archive.org/web/20150507174019im_/http://en.wikipedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" title="" width="1" height="1" style="border: none; position: absolute;"/></noscript></div> <div class="printfooter"> Retrieved from "<a dir="ltr" href="https://web.archive.org/web/20150507174019/http://en.wikipedia.org/w/index.php?title=Help:Introduction_to_referencing/1&oldid=640071810">http://en.wikipedia.org/w/index.php?title=Help:Introduction_to_referencing/1&oldid=640071810</a>" </div> <div id="catlinks" class="catlinks"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Category:Wikipedia_quick_introductions" title="Category:Wikipedia quick introductions">Wikipedia quick introductions</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/web/20150507174019/http://en.wikipedia.org/wiki/Category:Semi-protected_project_pages" title="Category:Semi-protected project pages">Semi-protected project pages</a></li></ul></div></div> <div class="visualClear"></div> </div> </div> <div id="mw-navigation"> <h2>Navigation menu</h2> <div id="mw-head"> <div id="p-personal" role="navigation" class="" aria-labelledby="p-personal-label"> <h3 id="p-personal-label">Personal tools</h3> <ul> <li id="pt-createaccount"><a href="/web/20150507174019/http://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=Help%3AIntroduction+to+referencing%2F1&type=signup" title="You are encouraged to create an account and log in; however, it is not mandatory">Create account</a></li><li id="pt-login"><a href="/web/20150507174019/http://en.wikipedia.org/w/index.php?title=Special:UserLogin&returnto=Help%3AIntroduction+to+referencing%2F1" title="You're encouraged to log in; however, it's not mandatory. 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