Publication manual of the American Psychological Association
MLA
Publication Manual of the American Psychological Association. 6th ed. Washington, DC: American Psychological Association, 2010
APA, 7th edition
(2010). Publication manual of the American Psychological Association. 6th ed. Washington, DC: American Psychological Association
Chicago, 17th edition
Publication manual of the American Psychological Association. 6th ed. Washington, DC: American Psychological Association, 2010