APA (7th ed.) Citation

Martin, F. W., & Degras, L. (1974). Tropical yams and their potential. Agricultural Research Service, U.S. Dept. of Agriculture.

Chicago Style (17th ed.) Citation

Martin, Franklin W., and Lucien Degras. Tropical Yams and Their Potential. [Hyattsville, Md.]: Agricultural Research Service, U.S. Dept. of Agriculture, 1974.

MLA (9th ed.) Citation

Martin, Franklin W., and Lucien Degras. Tropical Yams and Their Potential. Agricultural Research Service, U.S. Dept. of Agriculture, 1974.