APA (7th ed.) Citation

Warr, P. B. (1980). Psychology at work (2nd ed.). Penguin.

Chicago Style (17th ed.) Citation

Warr, Peter B. Psychology at Work. 2nd ed. Harmondsworth: Penguin, 1980.

MLA (8th ed.) Citation

Warr, Peter B. Psychology at Work. 2nd ed. Penguin, 1980.