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, …

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 …

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 Notes and …

6.126 Question mark with exclamation point Lists and Outline Style 6.127 Lists and outlines—general principles 6.128 Run-in versus vertical lists 6.129 Run-in lists 6.130 Vertical lists—capitalization, …

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

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-Date link above.

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 range of days would also be written without …

Turabian A Manual for Writers Chicago Style for Students and Researchers Contents Citation Quick Guide Help & Tools

We could have flipped a coin and settled on all-caps “AM” and “PM” (but not “A.M.” and “P.M.”; Chicago style now omits periods in abbreviations that include two or more capital letters).