APA (7th ed.) Citation

Skinner, B. F. (1987). Whatever happened to psychology as the science of behavior? The American journal of psychology, 42(8), 780-786.

Chicago Style (17th ed.) Citation

Skinner, B. F. "Whatever Happened to Psychology as the Science of Behavior?" The American Journal of Psychology 42, no. 8 (1987): 780-786.

MLA (8th ed.) Citation

Skinner, B. F. "Whatever Happened to Psychology as the Science of Behavior?" The American Journal of Psychology, vol. 42, no. 8, 1987, pp. 780-786.