Cita APA

Chung, S., & Herrnstein, R. J. (1967). Choice and delay of reinforcement.

Citación estilo Chicago

Chung, Shin-Ho, y R. J. Herrnstein. Choice and Delay of Reinforcement. 1967.

Cita MLA

Chung, Shin-Ho, y R. J. Herrnstein. Choice and Delay of Reinforcement. 1967.