APA (7e ed.) Bronvermelding

Não informado. (1927). Annals of Internal Medicine. American College of Physicians.

Chicago (17e ed.) Bronvermelding

Não informado. Annals of Internal Medicine. Philadelphia, Pa: American College of Physicians, 1927.

MLA (8e ed.) Bronvermelding

Não informado. Annals of Internal Medicine. American College of Physicians, 1927.

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