Não informado. (1901). Contributions to Canadian Biology. Biological Board of Canada.
Chicago (17e ed.) BronvermeldingNão informado. Contributions to Canadian Biology. Ottawa: Biological Board of Canada, 1901.
MLA (8e ed.) BronvermeldingNão informado. Contributions to Canadian Biology. Biological Board of Canada, 1901.
Let op: Deze citaties zijn niet altijd 100% accuraat.