Food and Agriculture Organization of the United Nations, Leon, J., & Withers, L. A. (1986). Guidelines for seed exchange and plant introduction in tropical crops. Food and Agriculture Organization of the United Nation.
Chicago Style (17th ed.) CitationFood and Agriculture Organization of the United Nations, Jorge Leon, and Lyndsey A. Withers. Guidelines for Seed Exchange and Plant Introduction in Tropical Crops. Rome: Food and Agriculture Organization of the United Nation, 1986.
MLA (9th ed.) CitationFood and Agriculture Organization of the United Nations, et al. Guidelines for Seed Exchange and Plant Introduction in Tropical Crops. Food and Agriculture Organization of the United Nation, 1986.
Warning: These citations may not always be 100% accurate.