APA (7th ed.) Citation

Travers, R. M. W.. (1977). Essentials of learning. Macmillan.

Chicago Style (17th ed.) Citation

Travers, Robert Morris William. Essentials of Learning. London: Macmillan, 1977.

MLA (9th ed.) Citation

Travers, Robert Morris William. Essentials of Learning. Macmillan, 1977.