APA citiranje

Catania, A. C., Sagvolden, T., & Keller, K. J. (1988). Reinforcement schedules: Retroactive and proactive effects of reinforcers inserted into fixed-interval performances.

Citação norma Chicago

Catania, A. Charles, Terje Sagvolden, and Kenneth J. Keller. Reinforcement Schedules: Retroactive and Proactive Effects of Reinforcers Inserted Into Fixed-interval Performances. 1988.

MLA citiranje

Catania, A. Charles, Terje Sagvolden, and Kenneth J. Keller. Reinforcement Schedules: Retroactive and Proactive Effects of Reinforcers Inserted Into Fixed-interval Performances. 1988.