Não informado. (1897). Pennsylvania Medical Journal. Medical Society of the State of Pennsylvania.
Cita Chicago Style (17a ed.)Não informado. Pennsylvania Medical Journal. Harrisburg, Pa: Medical Society of the State of Pennsylvania, 1897.
Cita MLA (8a ed.)Não informado. Pennsylvania Medical Journal. Medical Society of the State of Pennsylvania, 1897.
Precaución: Estas citas no son 100% exactas.