Cita APA (7th ed.)

Thorpe, G. L. (1990). Behavior therapy: Concepts, procedures, and applications. Allyn and Bacon.

Cita Chicago (17th ed.)

Thorpe, Geoffrey L. Behavior Therapy: Concepts, Procedures, and Applications. Boston: Allyn and Bacon, 1990.

Cita MLA (9th ed.)

Thorpe, Geoffrey L. Behavior Therapy: Concepts, Procedures, and Applications. Allyn and Bacon, 1990.