APA (7th ed.) Citation

Sleeman, P. J., & Rockwell, D. M. (1981). Designing learning environments. Longman.

Chicago Style (17th ed.) Citation

Sleeman, Phillip J., and D. M. Rockwell. Designing Learning Environments. New York: Longman, 1981.

MLA (9th ed.) Citation

Sleeman, Phillip J., and D. M. Rockwell. Designing Learning Environments. Longman, 1981.