Cita APA (7a ed.)

Clark, D. A., Beck, A. T., & Alford, B. A. (1999). Scientific foundations of cognitive theory and therapy of depression. John Wiley & Sons.

Cita Chicago Style (17a ed.)

Clark, David A., Aaron T. Beck, y Brad A. Alford. Scientific Foundations of Cognitive Theory and Therapy of Depression. New York [etc.]: John Wiley & Sons, 1999.

Cita MLA (9a ed.)

Clark, David A., et al. Scientific Foundations of Cognitive Theory and Therapy of Depression. John Wiley & Sons, 1999.