AAA Style uses The Chicago Manual of Style 17th Edition, Author-Date System.
In-text citations are noted with the author/creator and date in parentheses (Author year), and every source cited in-text is also listed in the reference list.
The full text of the Chicago Manual of Style Online provides searchable recommendations on editorial/citation style and publishing practices used in the humanities and social sciences.
CMoS is currently on the 18th edition. The 17th edition is also available, if necessary.
The Chicago Manual of Style by 
A Manual for Writers of Research Papers, Theses, and Dissertations by