APA (7th ed.) Citation

NetLibrary, Inc, Evensen, D. H., & Hmelo-Silver, C. E. (2000). Problem-based learning: A research perspective on learning interactions. L. Erlbaum Associates.

Chicago Style (17th ed.) Citation

NetLibrary, Inc, Dorothy H. Evensen, and Cindy E. Hmelo-Silver. Problem-based Learning: A Research Perspective on Learning Interactions. Mahwah, N.J.: L. Erlbaum Associates, 2000.

MLA (9th ed.) Citation

NetLibrary, Inc, et al. Problem-based Learning: A Research Perspective on Learning Interactions. L. Erlbaum Associates, 2000.