Cita APA (7th ed.)

Ferster, C. B., & Boren, M. C. P. (1968). Behavior principles. Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Ferster, Charles B., i Mary Carol Perrott Boren. Behavior Principles. New York: Appleton-Century-Crofts, 1968.

Cita MLA (9th ed.)

Ferster, Charles B., i Mary Carol Perrott Boren. Behavior Principles. Appleton-Century-Crofts, 1968.