Official source for apa style the publication manual of the american psychological association seventh edition is the official 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 . Publication manual of the american psychological association 7th edition 2020 copyrightpdf by american psychological association paperback. The publication manual of the american psychological association seventh edition is the official source for apa style 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 . With millions of copies sold worldwide in multiple languages this 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. The publication manual of the american psychological association seventh edition is the official source for apa style 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