Always check with your professors about their preferred citation style. They may have very specific requirements, or may leave it up to you - just ask!
Chicago Manual of Style is used in the humanities, especially history.
Chicago Style (sometimes referred to as its modified form: Turabian) has two different and distinct citation styles:
The manual and quick guides below are for the 16th edition of Chicago Style. The 17th edition was released in 2017. Stay tuned while we update our quick guides and purchase the 17th edition of the manual.