Style de citation APA (7e éd.)

Onwueme, I. C., & Charles, W. B. (1994). Tropical root and tuber crops: Production, perspectives and future prospects. FAO of the United Nations.

Style de citation Chicago (17e éd.)

Onwueme, I. C., et Winston B. Charles. Tropical Root and Tuber Crops: Production, Perspectives and Future Prospects. Rome: FAO of the United Nations, 1994.

Style de citation MLA (9e éd.)

Onwueme, I. C., et Winston B. Charles. Tropical Root and Tuber Crops: Production, Perspectives and Future Prospects. FAO of the United Nations, 1994.