APA Edition Citation

Hughes, h. D., & Metcalfe, D. S. (1972). Crop production (3.). Macmillan publishing co.

Chicago Edition Citation

Hughes, harold D., and Darrel S. Metcalfe. Crop Production. 3. Newyork: Macmillan publishing co, 1972.

MLA Edition Citation

Hughes, harold D., and Darrel S. Metcalfe. Crop Production. 3. Macmillan publishing co, 1972.