Wikipedia:REFB

This page shows you how to provide inline citations using ref tags, which result in superscripted footnote numbers, like this: There are other acceptable systems, including the use of inline parenthetical references and general references. As a general practice, the first major contributor gets to choose the referencing system for that article.

An encyclopedia is, by its nature, a neutrally written summary of existing mainstream knowledge about a topic. However you must not copy and paste text you find anywhere, except for short quotations. Ideally all information should be cited to reliable sources, such as published books and mainstream press publications. Blogs, social media, fan sites, and extreme minority texts are not usually acceptable, nor is another .

If the reference source is a lengthy book, paper, or article, you should give specific chapter, section, or page number(s) if possible.

Before you add a reference, you may want to check that there is a section where the footnotes will appear. Look for a section that contains either the <references /> tag or the {{}} reference template, toward the bottom of the page, below the "See also" section and above the "External links" section. If the section does not exist yet, click on the "Edit" tab to begin editing the page and enter this code in the appropriate place:

There are three basic methods to add a reference into the article text. You may use any one, or a combination:

refToolbar, which appears above the edit box in browsers that support JavaScript, can be used to easily add properly formatted citations. Also, refToolbar has the ability to automatically fill in bibliographic data for many websites, published books, and academic journal articles, which can reduce error-prone and tedious cut-and-paste or retyping of such information.

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