Não informado. (1897). Pennsylvania Medical Journal. Medical Society of the State of Pennsylvania.
Chicago (17e ed.) BronvermeldingNão informado. Pennsylvania Medical Journal. Harrisburg, Pa: Medical Society of the State of Pennsylvania, 1897.
MLA (8e ed.) BronvermeldingNão informado. Pennsylvania Medical Journal. Medical Society of the State of Pennsylvania, 1897.
Let op: Deze citaties zijn niet altijd 100% accuraat.