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, …

A Manual for Writers of Research Papers, Theses, and Dissertations: Chicago Style for Students and Researchers. 9th ed. Revised by Wayne C. Booth, Gregory G. Colomb, Joseph M. …

In extracts from modem authors whose spelling and punctuation differ but slightly from ours, and where such variations do not affect the meaning, use office style.

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

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 …

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 …

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 author-date system, follow the Author …

Do you need to learn the basics of “Chicago Style” for writing and formatting research papers? This page serves as an introduction and includes paper-formatting tip sheets, frequently asked …

Official Chicago style, in easy-to-use, printable PDF paper-writing tip sheets for students, teachers, and librarians. Guidelines are per Kate L. Turabian, A Manual for Writers of …

One special case is for dates. Days of the month are typically written as cardinals in Chicago (and US) style, though they’re usually pronounced as ordinals: May 9 (pronounced May 9th). A …