The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format. ¶ It is the indispensable reference for writers, editors, proofreaders, indexers, copywriters, designers, and publishers, informing the editorial canon with sound, definitive advice. ¶ Over 1.75 million copies sold!

Chicago-style source citations come in two varieties: (1) notes and bibliography and (2) author-date. If you already know which system to use, follow one of the links above to see sample citations for a variety of common sources.

Source citations in the Turabian manual come in two varieties: (1) notes and bibliography (or simply notes) and (2) author-date. These two systems are also sometimes referred to as Chicago-style citations, because they are the same as the ones presented in The Chicago Manual of Style.

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The following examples illustrate the notes and bibliography system. Sample notes show full citations followed by shortened citations for the same sources. Sample bibliography entries follow the notes. For more details and many more examples, see chapters 13 and 14 of The Chicago Manual of Style. For examples of the same citations using the ...

The following examples illustrate the author-date system. Each example of a reference list entry is accompanied by an example of a corresponding in-text citation. For more details and many more examples, see chapters 13 and 14 of The Chicago Manual of Style. For examples of the same citations using the notes and bibliography system, follow the ...

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The Chicago Manual of Style, 17th ed. Chicago: University of Chicago Press, 2017. https://doi.org/10.7208/cmos17

authoritative guidance on all matters of style; updated to reflect The Chicago Manual of Style, 17th edition; thorough coverage of Chicago-style formatting and citation; extensive guidelines on conducting research in digital environments

Access your style sheets at the My Style Sheets page. Style Sheets allow you to create your own lists of style guidelines or reminders for specific projects or other purposes (see 2.61 and fig. 2.3 for use and examples of style sheets).