Cita APA (7a ed.)
Hilgard, E. R., & Bower, G. H. (1956). Theories of learning (2nd ed.). Appleton-Century-Crofts.
Cita Chicago Style (17a ed.)
Hilgard, Ernest R., y Gordon H. Bower. Theories of Learning. 2nd ed. New York: Appleton-Century-Crofts, 1956.
Cita MLA (9a ed.)
Hilgard, Ernest R., y Gordon H. Bower. Theories of Learning. 2nd ed. Appleton-Century-Crofts, 1956.
Precaución: Estas citas no son 100% exactas.