APA (7th ed.) Citation

Petersen, D. (1989). Safe behavior reinforcement. Aloray.

Chicago Style (17th ed.) Citation

Petersen, Dan. Safe Behavior Reinforcement. Goshen, N.Y.: Aloray, 1989.

MLA (9th ed.) Citation

Petersen, Dan. Safe Behavior Reinforcement. Aloray, 1989.