APA (7th ed.) Citation

Skerman, P. J., & Riveros, F. (1977). Tropical forage legumes. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Skerman, P. J., and Fernando Riveros. Tropical Forage Legumes. Rome: Food and Agriculture Organization of the United Nations, 1977.

MLA (9th ed.) Citation

Skerman, P. J., and Fernando Riveros. Tropical Forage Legumes. Food and Agriculture Organization of the United Nations, 1977.