Cita APA

Jones, F. R. n. 1., & Aldred, W. (1980). Farm power and tractors (5.edition.). New York, New York: McGraw-Hill.

Citación estilo Chicago

Jones, Fred Rufus n. 1893, y William Aldred. Farm Power and Tractors. 5.edition. New York, New York: McGraw-Hill, 1980.

Cita MLA

Jones, Fred Rufus n. 1893, y William Aldred. Farm Power and Tractors. 5.edition. New York, New York: McGraw-Hill, 1980.