APA (7th ed.) Citation

Martin, J. H. (1967). Principles of field crop production (2. ed.). Macmillan <<[u.a.]>>.

Chicago Style (17th ed.) Citation

Martin, John H. Principles of Field Crop Production. 2. ed. New York: Macmillan <<[u.a.]>>, 1967.

MLA (9th ed.) Citation

Martin, John H. Principles of Field Crop Production. 2. ed. Macmillan <<[u.a.]>>, 1967.