Chicago (University of Chicago) and Turabian (Kate L. Turabian) - known for its heavy use of footnotes and cross references, it is commonly used in history books and papers
There are 2 parts to citation in Chicago/Turabian: Notes (N) and Bibliography (B).
To quote or summarize, you must use notes, also called footnotes. They consist of 2 parts:
1. Superscript number at the end of the quote or summary from the resource
2. The footnote containing the citation
To see how it looks in an entire paper in Chicago style, see this example from Purdue University's Online Writing Lab (OWL): https://owl.purdue.edu/owl/research_and_citation/chicago_manual_17th_edition/cmos_formatting_and_style_guide/cmos_nb_sample_paper.html