Cita APA (7th ed.)

Hilgard, E. R., & Bower, G. H. (1966). Theories of learning (3d ed.). Appleton-Century-Crofts.

Cita Chicago (17th ed.)

Hilgard, Ernest Ropiequet, i Gordon H. Bower. Theories of Learning. 3d ed. New York: Appleton-Century-Crofts, 1966.

Cita MLA (9th ed.)

Hilgard, Ernest Ropiequet, i Gordon H. Bower. Theories of Learning. 3d ed. Appleton-Century-Crofts, 1966.