American Psychological Association. (2010). Publication manual of the American Psychological Association (Sixth edition.). American Psychological Association.
Citazione stile Chigago Style (17a edizione)American Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. Washington, DC: American Psychological Association, 2010.
Citatione MLA (8a ed.)American Psychological Association. Publication Manual of the American Psychological Association. Sixth edition. American Psychological Association, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.