File{ scan PDF, with embedded Contents-bookmarks, with all pagesOfficial Source for APA Style. Widely Adopted. With millions of copies sold worldwide in multiple languages, it is the style manual of choice for writers, researchers, editors, students, and educators in the social and behavioral sciences, natural sciences, nursing, communications, education, business, engineering, and other fields.Authoritative and Easy to Use . Known for its authoritative, easy-to-use reference and citation system, the Publication Manual also offers guidance on choosing the headings, tables, figures, language, and tone that will result in powerful, concise, and elegant scholarly communication.Scholarly Writing. It guides users through the scholarly writing process—from the ethics of authorship to reporting research through publication.