APA
Food and Agriculture Organization of the United Nations, . (1983). Technical Handbook on Symbiotic Nitrogen Fixation/ (Acc: 50). Rome: Food and Agriculture Organization of the United Nations.
Chicago
Food and Agriculture Organization of the United Nations, . 1983. Technical Handbook on Symbiotic Nitrogen Fixation/ (Acc: 50). Rome: Food and Agriculture Organization of the United Nations.
Harvard
Food and Agriculture Organization of the United Nations, . (1983). Technical Handbook on Symbiotic Nitrogen Fixation/ (Acc: 50). Rome: Food and Agriculture Organization of the United Nations.
MLA
Food and Agriculture Organization of the United Nations, . Technical Handbook on Symbiotic Nitrogen Fixation/ (Acc: 50). Rome: Food and Agriculture Organization of the United Nations. 1983.