APA (7th ed.) Citation

Patton, H. D. (1989). Textbook of physiology (21st ed.). Saunders.

Chicago Style (17th ed.) Citation

Patton, Harry D. Textbook of Physiology. 21st ed. Philadelphia: Saunders, 1989.

MLA (9th ed.) Citation

Patton, Harry D. Textbook of Physiology. 21st ed. Saunders, 1989.