Publication manual of the American Psychological Association : the official guide to APA style 

 - 7th ed. 
 - Washington, DC  American Psychological Association  2020 
 - xxii,427p.;  24cm. 
<br/><br/><label>ISBN: </label>978-1-4338-3216-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychological literature-Publishing
<br/><br/><label>Dewey Class. No.: </label>808.06615  / PUB