APA Style

Handbook of Gastrointestinal Drug Therapy. (1989). USA: Micheal Van Ness and Micheal Gurneyy.

Chicago Style

Handbook of Gastrointestinal Drug Therapy. 1st ed. USA: Micheal Van Ness and Micheal Gurneyy, 1989. Text.

MLA Style

Handbook of Gastrointestinal Drug Therapy. 1st ed. USA: Micheal Van Ness and Micheal Gurneyy, 1989. Text.

Turabian Style

Handbook of Gastrointestinal Drug Therapy. USA: Micheal Van Ness and Micheal Gurneyy, 1989. Print.