APA (7th ed.) Citation

Ayllon, T., & Azrin, N. H. (1968). The token economy: A motivational system for therapy and rehabilitation. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Ayllon, Teodoro, and Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. New York: Appleton-Century-Crofts, 1968.

MLA (8th ed.) Citation

Ayllon, Teodoro, and Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. Appleton-Century-Crofts, 1968.