Não informado. (1878). Journal of the Cincinnati Society of Natural History. Cincinnati Society of Natural History.
Chicago-referens (17:e uppl.)Não informado. Journal of the Cincinnati Society of Natural History. Cincinnati, Ohio: Cincinnati Society of Natural History, 1878.
MLA-referens (8:e uppl.)Não informado. Journal of the Cincinnati Society of Natural History. Cincinnati Society of Natural History, 1878.
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