Simpson, G. G. (1937). Additions to the Upper Paleocene fauna of the Crazy Mountain field. The American Museum of Natural History.
Chicago Style (17th ed.) CitationSimpson, George Gaylord. Additions to the Upper Paleocene Fauna of the Crazy Mountain Field. New York City: The American Museum of Natural History, 1937.
MLA (9th ed.) CitationSimpson, George Gaylord. Additions to the Upper Paleocene Fauna of the Crazy Mountain Field. The American Museum of Natural History, 1937.
Warning: These citations may not always be 100% accurate.