Cita APA (7a ed.)

Bockus, H. L., Haubrich, W. S., Schaffner, F., & Berk, J. E. (1995). Gastroenterology (5th ed.). Saunders.

Cita Chicago Style (17a ed.)

Bockus, Henry L., William S. Haubrich, Fenton Schaffner, y J. Edward Berk. Gastroenterology. 5th ed. Philadelphia [etc.]: Saunders, 1995.

Cita MLA (9a ed.)

Bockus, Henry L., et al. Gastroenterology. 5th ed. Saunders, 1995.