APA (7th ed.) Citation

Food and Agriculture Organization of the United Nations (FAO). (1987). NITROGEN fixing trees: A training guide. Regional Office for Asia and the Pacific.

Chicago Style (17th ed.) Citation

Food and Agriculture Organization of the United Nations (FAO). NITROGEN Fixing Trees: A Training Guide. Bangkok: Regional Office for Asia and the Pacific, 1987.

MLA (9th ed.) Citation

Food and Agriculture Organization of the United Nations (FAO). NITROGEN Fixing Trees: A Training Guide. Regional Office for Asia and the Pacific, 1987.