Cita APA (7a ed.)

Gulvin, H. E. (1953). Farm engines and tractors. McGraw-Hill.

Cita Chicago Style (17a ed.)

Gulvin, Harold E. Farm Engines and Tractors. New York: McGraw-Hill, 1953.

Cita MLA (8a ed.)

Gulvin, Harold E. Farm Engines and Tractors. McGraw-Hill, 1953.