Não informado. (1885). Contributions to canadian palaeontology. Geological and Natural History Survey of Canada.
Style de citation Chicago (17e éd.)Não informado. Contributions to Canadian Palaeontology. Montreal, Canada: Geological and Natural History Survey of Canada, 1885.
Style de citation MLA (8e éd.)Não informado. Contributions to Canadian Palaeontology. Geological and Natural History Survey of Canada, 1885.
Attention : ces citations peuvent ne pas être correctes à 100%.