Cita APA (7th ed.)

MARTIN, G., & PEAR, J. (1999). Behavior modification: What it is and how to do it.--Ed.6. Prentice Hall.

Cita Chicago (17th ed.)

MARTIN, Garry, i Joseph PEAR. Behavior Modification: What It Is and How to Do It.--Ed.6. New Jersey: Prentice Hall, 1999.

Cita MLA (9th ed.)

MARTIN, Garry, i Joseph PEAR. Behavior Modification: What It Is and How to Do It.--Ed.6. Prentice Hall, 1999.