APA (7th ed.) Citation

Cryer, D., Bourland, B., & Harms, T. (1988). Active learning for threes. Addison-Wesley Publishing Company.

Chicago Style (17th ed.) Citation

Cryer, Debby, Beth Bourland, and Thelma Harms. Active Learning for Threes. Menlo Park, California: Addison-Wesley Publishing Company, 1988.

MLA (9th ed.) Citation

Cryer, Debby, et al. Active Learning for Threes. Addison-Wesley Publishing Company, 1988.