Cita APA (7th ed.)

Wilson, G. T., & O'Leary, K. D. (1980). Principles of behavior therapy. Prentice-Hall.

Cita Chicago (17th ed.)

Wilson, G. Terence, i K. Daniel O'Leary. Principles of Behavior Therapy. New Jersey: Prentice-Hall, 1980.

Cita MLA (9th ed.)

Wilson, G. Terence, i K. Daniel O'Leary. Principles of Behavior Therapy. Prentice-Hall, 1980.