APA (7th ed.) Citation

Horton, D. (1988). Underground crops: Long-term trends in production of roots and tubers. Winrock International.

Chicago Style (17th ed.) Citation

Horton, Douglas. Underground Crops: Long-term Trends in Production of Roots and Tubers. Morrilton: Winrock International, 1988.

MLA (9th ed.) Citation

Horton, Douglas. Underground Crops: Long-term Trends in Production of Roots and Tubers. Winrock International, 1988.

Warning: These citations may not always be 100% accurate.