APA (7th ed.) Citation

Smith, D. A. (2021). Cowboy presidents: The frontier myth and U.S. politics since 1900. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Smith, David A. Cowboy Presidents: The Frontier Myth and U.S. Politics Since 1900. Norman: University of Oklahoma Press, 2021.

MLA (9th ed.) Citation

Smith, David A. Cowboy Presidents: The Frontier Myth and U.S. Politics Since 1900. University of Oklahoma Press, 2021.