APA (7th ed.) Citation

Travers, R. M. W. (1972). Essentials of learning (3d ed.). Macmillan.

Chicago Style (17th ed.) Citation

Travers, Robert Morris William. Essentials of Learning. 3d ed. New York: Macmillan, 1972.

MLA (9th ed.) Citation

Travers, Robert Morris William. Essentials of Learning. 3d ed. Macmillan, 1972.