Cita APA (7a ed.)

Beck, A. T., & Freeman, A. (1990). Cognitive therapy of personality disorders. Guilford Press.

Cita Chicago Style (17a ed.)

Beck, Aaron T., y Arthur Freeman. Cognitive Therapy of Personality Disorders. New York [etc.]: Guilford Press, 1990.

Cita MLA (9a ed.)

Beck, Aaron T., y Arthur Freeman. Cognitive Therapy of Personality Disorders. Guilford Press, 1990.