Cita APA

American Gastroenterological Association. Clinical gastroenterology and hepatology: Clin Gastroenterol Hepatol. Philadelphia, PA: W.B. Saunders for the American Gastroenterological Association.

Citación estilo Chicago

American Gastroenterological Association. Clinical Gastroenterology and Hepatology: Clin Gastroenterol Hepatol. Philadelphia, PA: W.B. Saunders for the American Gastroenterological Association.

Cita MLA

American Gastroenterological Association. Clinical Gastroenterology and Hepatology: Clin Gastroenterol Hepatol. Philadelphia, PA: W.B. Saunders for the American Gastroenterological Association.