APA (7th ed.) Citation

United States. Agricultural Research Service & Barnes, D. K. (1977). Alfalfa germplasm in the United States: Genetic vulnerability, use, improvement, and maintenance. Dept. of Agriculture, Agricultural Research Service.

Chicago Style (17th ed.) Citation

United States. Agricultural Research Service and D. K. Barnes. Alfalfa Germplasm in the United States: Genetic Vulnerability, Use, Improvement, and Maintenance. [Washington]: Dept. of Agriculture, Agricultural Research Service, 1977.

MLA (9th ed.) Citation

United States. Agricultural Research Service and D. K. Barnes. Alfalfa Germplasm in the United States: Genetic Vulnerability, Use, Improvement, and Maintenance. Dept. of Agriculture, Agricultural Research Service, 1977.