Cita APA (7a ed.)
Beck, A. T. (1979). Cognitive therapy of depression. Guilford Press.
Cita Chicago Style (17a ed.)
Beck, Aaron T. Cognitive Therapy of Depression. New York: Guilford Press, 1979.
Cita MLA (9a ed.)
Beck, Aaron T. Cognitive Therapy of Depression. Guilford Press, 1979.
Precaución: Estas citas no son 100% exactas.