APA (7th ed.) Citation

Roulac, J. (1997). Hemp horizons: The comeback of the world's most promising plant. Chelsea Green Pub..

Chicago Style (17th ed.) Citation

Roulac, John. Hemp Horizons: The Comeback of the World's Most Promising Plant. White River Junction, Vt.: Chelsea Green Pub., 1997.

MLA (8th ed.) Citation

Roulac, John. Hemp Horizons: The Comeback of the World's Most Promising Plant. Chelsea Green Pub., 1997.