Ayllon, T., & Azrin, N. H. (1968). The token economy: A motivational system for therapy and rehabilitation. Appleton-Century-Crofts.
Chicago Style (17th ed.) CitationAyllon, Teodoro, and Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. New York: Appleton-Century-Crofts, 1968.
MLA (8th ed.) CitationAyllon, Teodoro, and Nathan H. Azrin. The Token Economy: A Motivational System for Therapy and Rehabilitation. Appleton-Century-Crofts, 1968.
Warning: These citations may not always be 100% accurate.