APA (7th ed.) Citation

Howard, R. W., & Arnold, O. (1961). Rodeo: Last frontier of the Old West. New American Library.

Chicago Style (17th ed.) Citation

Howard, Robert West, and Oren Arnold. Rodeo: Last Frontier of the Old West. [New York]: New American Library, 1961.

MLA (9th ed.) Citation

Howard, Robert West, and Oren Arnold. Rodeo: Last Frontier of the Old West. New American Library, 1961.