APA (7e ed.) Bronvermelding

Não informado. (1961). American Family Physician. American Academy of General Practice.

Chicago (17e ed.) Bronvermelding

Não informado. American Family Physician. Kansas City, Kan: American Academy of General Practice, 1961.

MLA (8e ed.) Bronvermelding

Não informado. American Family Physician. American Academy of General Practice, 1961.

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