APA (7th ed.) Citation

Wylie, P., & Grothe, M. (1993). Problem employees: How to improve their behaviour and their performance. Piatkus.

Chicago Style (17th ed.) Citation

Wylie, Peter, and Mardy Grothe. Problem Employees: How to Improve Their Behaviour and Their Performance. London: Piatkus, 1993.

MLA (8th ed.) Citation

Wylie, Peter, and Mardy Grothe. Problem Employees: How to Improve Their Behaviour and Their Performance. Piatkus, 1993.