NOTE: The 18th edition of the CMOS was released in 2024. Everyone is still catching up and most resources will still reference the 17th edition.
The resources below provide basic information about writing and citing using the Chicago Manual of Style.
For tricky questions that aren't covered by these short online guides, two copies of the complete Chicago Manual of Style live in the library: one at the Research Help Desk and one downstairs in the general collection.
Contact a librarian if you're uncertain of the rules.