APA (7th ed.) Citation

Food and Agriculture Organization of the United Nations. (1993). Forest resources assessment 1990: Tropical countries. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Food and Agriculture Organization of the United Nations. Forest Resources Assessment 1990: Tropical Countries. Rome: Food and Agriculture Organization of the United Nations, 1993.

MLA (9th ed.) Citation

Food and Agriculture Organization of the United Nations. Forest Resources Assessment 1990: Tropical Countries. Food and Agriculture Organization of the United Nations, 1993.