APA (7th ed.) Citation

(1987). Nitrogen fixing trees - a training guide. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Nitrogen Fixing Trees - a Training Guide. Bangkok: Food and Agriculture Organization of the United Nations, 1987.

MLA (9th ed.) Citation

Nitrogen Fixing Trees - a Training Guide. Food and Agriculture Organization of the United Nations, 1987.

Warning: These citations may not always be 100% accurate.