Cita APA (7a ed.)
Villee, C. A., & Dethier, V. G. (1971). Biological principles and processes. Saunders Company.
Cita Chicago Style (17a ed.)
Villee, Claude Alvin, y V. G. Dethier. Biological Principles and Processes. Philadelphia: Saunders Company, 1971.
Cita MLA (9a ed.)
Villee, Claude Alvin, y V. G. Dethier. Biological Principles and Processes. Saunders Company, 1971.
Precaución: Estas citas no son 100% exactas.