Concise rules of APA style. 
 APA style 

 - 6th ed. 
 - Washington, DC :  American Psychological Association,  c2011. 
 - 280 p. :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781433805608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Authorship--Style manuals.<br/>Social sciences--Authorship--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>BF76.7  / C662 2011