APA (7th ed.) Citation

Hirshfeld, C. F., & Ulbricht, T. C. (1914). Farm gas engines. J. Wiley & Sons; [etc., etc.].

Chicago Style (17th ed.) Citation

Hirshfeld, Clarence Floyd, and Tomlinson Carlile Ulbricht. Farm Gas Engines. New York: J. Wiley & Sons; [etc., etc.], 1914.

MLA (9th ed.) Citation

Hirshfeld, Clarence Floyd, and Tomlinson Carlile Ulbricht. Farm Gas Engines. J. Wiley & Sons; [etc., etc.], 1914.