APA (7th ed.) Citation

O'Leary, K. D., & O'Leary, S. (1972). Classroom management: The successful use of behavior modification. Pergamon Press.

Chicago Style (17th ed.) Citation

O'Leary, K. Daniel, and S.G O'Leary. Classroom Management: The Successful Use of Behavior Modification. New York: Pergamon Press, 1972.

MLA (9th ed.) Citation

O'Leary, K. Daniel, and S.G O'Leary. Classroom Management: The Successful Use of Behavior Modification. Pergamon Press, 1972.