APA (7e ed.) Bronvermelding

Não informado. (1954). The American Journal of Gastroenterology. American College of Gastroenterology.

Chicago (17e ed.) Bronvermelding

Não informado. The American Journal of Gastroenterology. New York: American College of Gastroenterology, 1954.

MLA (8e ed.) Bronvermelding

Não informado. The American Journal of Gastroenterology. American College of Gastroenterology, 1954.

Let op: Deze citaties zijn niet altijd 100% accuraat.