Cita APA (7a ed.)

Rather, H., & Harrison, C. (1951). Field crops (2nd edition.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Rather, H.C, y C.M Harrison. Field Crops. 2nd edition. New York: McGraw-Hill, 1951.

Cita MLA (8a ed.)

Rather, H.C, y C.M Harrison. Field Crops. 2nd edition. McGraw-Hill, 1951.