Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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