APA (7th ed.) Citation

Boud, D., & Feletti, G. I. (1997). The challenge of problem-based learning (2nd ed.). Kogan Page.

Chicago Style (17th ed.) Citation

Boud, David, and Grahame I. Feletti. The Challenge of Problem-based Learning. 2nd ed. London: Kogan Page, 1997.

MLA (9th ed.) Citation

Boud, David, and Grahame I. Feletti. The Challenge of Problem-based Learning. 2nd ed. Kogan Page, 1997.