Visit the 2nd floor of the library to find a print copy of the Chicago Manual of Style:
The Chicago Manual of Style
If you need help getting started with Chicago Manual of Style, try this interactive tutorial from Marquette University.
(Don't worry about the distinction between "graded" and "non-graded"; this isn't an assignment! Use the tutorial as needed to help you get comfortable with this citation style.)
Image credit: Question Mark, Pixabay, accessed January 17, 2020. https://pixabay.com/photos/question-mark-hand-drawn-solution-2123969/.