Citazione Stile APA (7a Edizione)
Beck, A. T., & Alford, B. A. (2009). Depression: Causes and treatment (Second edition.). University of Pennsylvania Press.
Citazione stile Chigago Style (17a edizione)
Beck, Aaron T., e Brad A. Alford. Depression: Causes and Treatment. Second edition. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2009.
Citatione MLA (9a ed.)
Beck, Aaron T., e Brad A. Alford. Depression: Causes and Treatment. Second edition. University of Pennsylvania Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.