APA (7th ed.) Citation
Zettler, F., Jackson, G., Frison, E. A., Nations, F. a. A. O. o. t. U., & Institute, I. P. G. R. (1989). FAO/IBPGR technical guidelines for the safe movement of edible aroid germplasm.
Chicago Style (17th ed.) Citation
Zettler, F.W, G.V.H Jackson, Emile A. Frison, Food and Agriculture Organization of the United Nations, and International Plant Genetic Resources Institute. FAO/IBPGR Technical Guidelines for the Safe Movement of Edible Aroid Germplasm. 1989.
MLA (9th ed.) Citation
Zettler, F.W, et al. FAO/IBPGR Technical Guidelines for the Safe Movement of Edible Aroid Germplasm. 1989.
Warning: These citations may not always be 100% accurate.