APA (7th ed.) Citation

Warr, P. B., & Knapper, C. (1968). The perception of people and events. Wiley.

Chicago Style (17th ed.) Citation

Warr, Peter Bryan, and Christopher Knapper. The Perception of People and Events. London: Wiley, 1968.

MLA (9th ed.) Citation

Warr, Peter Bryan, and Christopher Knapper. The Perception of People and Events. Wiley, 1968.