International Soil Reference and Information Centre, Food and Agriculture Organization of the United Nations, & Unesco. (1988). FAO-Unesco soil map of the world: Revised legend. FAO.
Chicago Style (17th ed.) CitationInternational Soil Reference and Information Centre, Food and Agriculture Organization of the United Nations, and Unesco. FAO-Unesco Soil Map of the World: Revised Legend. Rome: FAO, 1988.
MLA (9th ed.) CitationInternational Soil Reference and Information Centre, et al. FAO-Unesco Soil Map of the World: Revised Legend. FAO, 1988.
Warning: These citations may not always be 100% accurate.