Hughes, H. D. M., & Metcalfe, D. S. (1972). Crop production (3d ed.). Macmillan.
Chicago Style (17th ed.) CitationHughes, Harold De Mott, and Darrel S. Metcalfe. Crop Production. 3d ed. New York: Macmillan, 1972.
MLA (8th ed.) CitationHughes, Harold De Mott, and Darrel S. Metcalfe. Crop Production. 3d ed. Macmillan, 1972.
Warning: These citations may not always be 100% accurate.