Não informado. (1918). Minnesota Medicine. Minnesota State Medical Association.
Chicago (17e ed.) BronvermeldingNão informado. Minnesota Medicine. Minneapolis, Minn: Minnesota State Medical Association, 1918.
MLA (8e ed.) BronvermeldingNão informado. Minnesota Medicine. Minnesota State Medical Association, 1918.
Let op: Deze citaties zijn niet altijd 100% accuraat.