APA Edition Citation

Barell, J. A. (2007). Problem-based learning: An inquiry approach (2nd ed.).

Chicago Edition Citation

Barell, John; Author. Problem-based Learning: An Inquiry Approach. 2nd ed. California, Corwin Press, 2007.

MLA Edition Citation

Barell, John; Author. Problem-based Learning: An Inquiry Approach. 2nd ed. 2007.