Publication Manual of the American Psychological Association by American Psychological Association The Publication Manual of the American Psychological Association, Seventh Edition is the official source for APA Style.

A Pocket Style Manual, 7th Ed. by Diana Hacker; Nancy Sommers The thoughtfully revised seventh edition makes it even easier for students to effectively and independently address their writing and research challenges. With 325 documentation models in four styles and coverage of drafting thesis statements, writing correctly and effectively, finding and evaluating sources, and writing research papers, A Pocket Style Manual supports writers across the disciplines.