APA (7th ed.) Citation

Jones, F. R. (1938). Farm gas engines and tractors (2d ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Jones, Fred Rufus. Farm Gas Engines and Tractors. 2d ed. New York, a London: McGraw-Hill, 1938.

MLA (9th ed.) Citation

Jones, Fred Rufus. Farm Gas Engines and Tractors. 2d ed. McGraw-Hill, 1938.