Billings, E. (1874). Palaeozoic Fossils: Geological Survey of Canada George M. Dawson Deputy Head and Director. Dawson.
Chicago Style (17th ed.) CitationBillings, Elkanah. Palaeozoic Fossils: Geological Survey of Canada George M. Dawson Deputy Head and Director. Ottawa: Dawson, 1874.
MLA (9th ed.) CitationBillings, Elkanah. Palaeozoic Fossils: Geological Survey of Canada George M. Dawson Deputy Head and Director. Dawson, 1874.
Warning: These citations may not always be 100% accurate.