APA (7th ed.) Citation

Torp, L., & Sage, S. (2002). Problems as possibilities: Problem-based learning for K-16 education. Association for Supervision & Curriculum Development.

Chicago Style (17th ed.) Citation

Torp, Linda, and Sara Sage. Problems as Possibilities: Problem-based Learning for K-16 Education. Alexandria, Va.: Association for Supervision & Curriculum Development, 2002.

MLA (9th ed.) Citation

Torp, Linda, and Sara Sage. Problems as Possibilities: Problem-based Learning for K-16 Education. Association for Supervision & Curriculum Development, 2002.