APA (7th ed.) Citation

Simpson, G. G. (1937). The Fort Union of the Crazy Mountain Field, Montana and its mammalian faunas. Government Printing Office.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. The Fort Union of the Crazy Mountain Field, Montana and Its Mammalian Faunas. Washington: Government Printing Office, 1937.

MLA (9th ed.) Citation

Simpson, George Gaylord. The Fort Union of the Crazy Mountain Field, Montana and Its Mammalian Faunas. Government Printing Office, 1937.

Warning: These citations may not always be 100% accurate.