APA Style

Feldman, M. et al (2002). Sleisenger & Fordtran's gastrointestinal and liver disease :pathophysiology, diagnosis, management (7th ed.). Philadelphia :: Saunders,.

MLA Style

Feldman, Mark,. et al. "Sleisenger & Fordtran's gastrointestinal and liver disease :pathophysiology, diagnosis, management". 7th ed. Philadelphia :: Saunders,, 2002. Text.