Cita APA (7a ed.)
Jones, F. R. (1938). Farm Gas Engines and tractors. McGraw-Hill.
Cita Chicago Style (17a ed.)
Jones, Fred Rufus. Farm Gas Engines and Tractors. New York, London: McGraw-Hill, 1938.
Cita MLA (9a ed.)
Jones, Fred Rufus. Farm Gas Engines and Tractors. McGraw-Hill, 1938.
Precaución: Estas citas no son 100% exactas.