APA (7th ed.) Citation

Bockus, H. L., Berk, J. E., & Haubrich, W. S. (1974). Gastroenterology (3rd ed.). W. B. Saunders.

Chicago Style (17th ed.) Citation

Bockus, Henry L., J. Edward Berk, and William S. Haubrich. Gastroenterology. 3rd ed. Philadelphia: W. B. Saunders, 1974.

MLA (8th ed.) Citation

Bockus, Henry L., et al. Gastroenterology. 3rd ed. W. B. Saunders, 1974.