APA (7th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). (2001). H. pylori y úlcera péptica. National Digestive Diseases Information Clearinghouse.

Chicago Style (17th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). H. Pylori Y úlcera Péptica. Bethesda, MD: National Digestive Diseases Information Clearinghouse, 2001.

MLA (9th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). H. Pylori Y úlcera Péptica. National Digestive Diseases Information Clearinghouse, 2001.