Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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