APA (7th ed.) Citation

Fryxell, P. A. (1976). A nomenclator of Gossypium: The botanical names of cotton. U.S. Dept. of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

Fryxell, Paul A. A Nomenclator of Gossypium: The Botanical Names of Cotton. Washington: U.S. Dept. of Agriculture, Agricultural Research Service, 1976.

MLA (9th ed.) Citation

Fryxell, Paul A. A Nomenclator of Gossypium: The Botanical Names of Cotton. U.S. Dept. of Agriculture, Agricultural Research Service, 1976.