APA (7th ed.) Citation

Koch, T. R., & Kirsner, J. B. (2003). Colonic diseases. Humana Press.

Chicago Style (17th ed.) Citation

Koch, Timothy R., and Joseph B. Kirsner. Colonic Diseases. Totowa, N.J.: Humana Press, 2003.

MLA (9th ed.) Citation

Koch, Timothy R., and Joseph B. Kirsner. Colonic Diseases. Humana Press, 2003.