APA (7th ed.) Citation

Axelrod, S., & Hall, R. V. (1999). Behavior modification: Basic principles (2nd ed.). Pro-Ed.

Chicago Style (17th ed.) Citation

Axelrod, Saul, and R. Vance Hall. Behavior Modification: Basic Principles. 2nd ed. Austin, Tex.: Pro-Ed, 1999.

MLA (9th ed.) Citation

Axelrod, Saul, and R. Vance Hall. Behavior Modification: Basic Principles. 2nd ed. Pro-Ed, 1999.