APA (7th ed.) Citation

(1991). Gastrointestinal endoscopy clinics of North America. W.B. Saunders Co..

Chicago Style (17th ed.) Citation

Gastrointestinal Endoscopy Clinics of North America. Philadelphia: W.B. Saunders Co., 1991.

MLA (8th ed.) Citation

Gastrointestinal Endoscopy Clinics of North America. W.B. Saunders Co., 1991.