Section 9.4 in the Spotlight

CMOS 9.4. Hundreds, thousands, and hundred thousands: “Any of the whole numbers mentioned in 9.2 followed by hundred, thousand, or hundred thousand are usually spelled out (except in the sciences)—whether used exactly or as approximations.” This section causes some readers befuddlement because . . .

What is Chicago style?

Using “Chicago style” usually means putting notes and bibliographies into the format laid out in The Chicago Manual of Style or in Kate Turabian’s Manual for Writers. For many students . . .

Russell Harper on revising The Chicago Manual of Style

If you have ever submitted a question to our Chicago Manual of Style Q&A (and we encourage you to do so here), Russell Harper may have been one of the editors considering your question. Russell is especially qualified to answer CMOS questions thanks to his role as the principal reviser for the sixteenth edition. This means . . .

Announcing The Chicago Manual of Style Citation Share

Want to contribute to The Chicago Manual of Style Online?

We’re looking for examples of newer sources and of unusual source citations. Send us your suggestions of newer books, articles, websites (or anything!) or more unusual sources of any vintage: obscure videos, social media, apps, or whatever else . . .