APA (7th ed.) Citation

Oferdahl, E., & Impey, C. (2012). Assessing General Education Science Courses: A Portfolio Approach. Journal of College Science Teaching, 41(5), 19.

Chicago Style (17th ed.) Citation

Oferdahl, Erika, and Chris Impey. "Assessing General Education Science Courses: A Portfolio Approach." Journal of College Science Teaching 41, no. 5 (2012): 19.

MLA (9th ed.) Citation

Oferdahl, Erika, and Chris Impey. "Assessing General Education Science Courses: A Portfolio Approach." Journal of College Science Teaching, vol. 41, no. 5, 2012, p. 19.