APA (7th ed.) Citation

Sundel, M., & Sundel, S. S. (1982). Behavior modification in the human services: A systematic introd. to concepts and applications (2. ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Sundel, Martin, and Sandra S. Sundel. Behavior Modification in the Human Services: A Systematic Introd. to Concepts and Applications. 2. ed. Englewood Cliffs, N.J: Prentice-Hall, 1982.

MLA (9th ed.) Citation

Sundel, Martin, and Sandra S. Sundel. Behavior Modification in the Human Services: A Systematic Introd. to Concepts and Applications. 2. ed. Prentice-Hall, 1982.