APA (7th ed.) Citation

Humphreys, L. R., & Riveros, F. (1986). Tropical pasture seed production (Revised ed.). Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Citation

Humphreys, L. R., and F. Riveros. Tropical Pasture Seed Production. Revised ed. Rome: Food and Agriculture Organization of the United Nations, 1986.

MLA (9th ed.) Citation

Humphreys, L. R., and F. Riveros. Tropical Pasture Seed Production. Revised ed. Food and Agriculture Organization of the United Nations, 1986.