APA (7th ed.) Citation

Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service. (1996). Agro-ecological zoning guidelines. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service. Agro-ecological Zoning Guidelines. Rome: Food and Agriculture Organization of the United Nations, 1996.

MLA (9th ed.) Citation

Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service. Agro-ecological Zoning Guidelines. Food and Agriculture Organization of the United Nations, 1996.