APA (7th ed.) Citation

Beck, A. T., & Alford, B. A. (2009). Depression causes and treatment / Aaron T. Beck and Brad A. Alford: Causes and treatment (2nd ed.). University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Beck, Aaron T., and Brad A. Alford. Depression Causes and Treatment / Aaron T. Beck and Brad A. Alford: Causes and Treatment. 2nd ed. Philadelphia: University of Pennsylvania Press, 2009.

MLA (9th ed.) Citation

Beck, Aaron T., and Brad A. Alford. Depression Causes and Treatment / Aaron T. Beck and Brad A. Alford: Causes and Treatment. 2nd ed. University of Pennsylvania Press, 2009.

Warning: These citations may not always be 100% accurate.