APA (7th ed.) Citation

Van Ness, M. M., & Gurney, M. S. (1989). Handbook of gastrointestinal drug therapy. Little, Brown.

Chicago Style (17th ed.) Citation

Van Ness, Michael M., and Michael S. Gurney. Handbook of Gastrointestinal Drug Therapy. Boston, MA: Little, Brown, 1989.

MLA (9th ed.) Citation

Van Ness, Michael M., and Michael S. Gurney. Handbook of Gastrointestinal Drug Therapy. Little, Brown, 1989.