APA (7th ed.) Citation

Food and Agriculture Organization of the United Nations. (1991). World soil resources: An explanatory note on the FAO World Soil Resources Map at 1 : 25000 000 scale. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Food and Agriculture Organization of the United Nations. World Soil Resources: An Explanatory Note on the FAO World Soil Resources Map at 1 : 25000 000 Scale. Rome: Food and Agriculture Organization of the United Nations, 1991.

MLA (9th ed.) Citation

Food and Agriculture Organization of the United Nations. World Soil Resources: An Explanatory Note on the FAO World Soil Resources Map at 1 : 25000 000 Scale. Food and Agriculture Organization of the United Nations, 1991.