APA (7th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). (2002). El aparato digestivo y su funcionamiento. National Digestive Diseases Information Clearinghouse.

Chicago Style (17th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). El Aparato Digestivo Y Su Funcionamiento. Bethesda, MD: National Digestive Diseases Information Clearinghouse, 2002.

MLA (9th ed.) Citation

National Digestive Diseases Information Clearinghouse (U.S.). El Aparato Digestivo Y Su Funcionamiento. National Digestive Diseases Information Clearinghouse, 2002.