APA (7th ed.) Citation

Walker, A., Leary, H., Hmelo-Silver, C., & Ertmer, P. A. (2015). Essential Readings in Problem-Based Learning: Exploring and Extending the Legacy of Howard S. Barrows. Purdue University Press.

Chicago Style (17th ed.) Citation

Walker, Andrew, Heather Leary, Cindy Hmelo-Silver, and Peggy A. Ertmer. Essential Readings in Problem-Based Learning: Exploring and Extending the Legacy of Howard S. Barrows. Ashland: Purdue University Press, 2015.

MLA (9th ed.) Citation

Walker, Andrew, et al. Essential Readings in Problem-Based Learning: Exploring and Extending the Legacy of Howard S. Barrows. Purdue University Press, 2015.