Cita APA (7th ed.)
Zayfert, C., & Becker, C. B. (2007). Cognitive-behavioral therapy for PTSD: A case formulation approach. Guilford Press.
Cita Chicago (17th ed.)
Zayfert, Claudia, i Carolyn Black Becker. Cognitive-behavioral Therapy for PTSD: A Case Formulation Approach. New York: Guilford Press, 2007.
Cita MLA (9th ed.)
Zayfert, Claudia, i Carolyn Black Becker. Cognitive-behavioral Therapy for PTSD: A Case Formulation Approach. Guilford Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.