APA (7th ed.) Citation

Ruch, T. C., Patton, H. D., & Howell, W. H. (1973). Physiology and biophysics (20th ed.). Saunders.

Chicago Style (17th ed.) Citation

Ruch, Theodore C., Harry Dickson Patton, and William H. Howell. Physiology and Biophysics. 20th ed. Philadelphia: Saunders, 1973.

MLA (8th ed.) Citation

Ruch, Theodore C., et al. Physiology and Biophysics. 20th ed. Saunders, 1973.