Cita APA (7th ed.)

Villee, C. A., & Dethier, V. G. (1971). Biological principles and processes. Saunders.

Cita Chicago (17th ed.)

Villee, Claude Alvin, i V. G. Dethier. Biological Principles and Processes. Philadelphia: Saunders, 1971.

Cita MLA (9th ed.)

Villee, Claude Alvin, i V. G. Dethier. Biological Principles and Processes. Saunders, 1971.