Cita APA (7a ed.)

Hilgard, E. R., & Marquis, D. G. (1940). Conditioning and learning. D. Appleton-Century Co.

Cita Chicago Style (17a ed.)

Hilgard, Ernest Ropiequet, y Donald George Marquis. Conditioning and Learning. New York: D. Appleton-Century Co, 1940.

Cita MLA (9a ed.)

Hilgard, Ernest Ropiequet, y Donald George Marquis. Conditioning and Learning. D. Appleton-Century Co, 1940.