APA (7th ed.) Citation

Villee, C. A., & Dethier, V. G. (1976). Biological principles and processes (2d ed.). Saunders.

Chicago Style (17th ed.) Citation

Villee, Claude A., and V. G. Dethier. Biological Principles and Processes. 2d ed. Philadelphia: Saunders, 1976.

MLA (8th ed.) Citation

Villee, Claude A., and V. G. Dethier. Biological Principles and Processes. 2d ed. Saunders, 1976.