APA (7th ed.) Citation

United States. Department of Agriculture. Economic Research Service & Paul, D. A. (1977). The Changing U.S. fertilizer industry. U.S. Dept. of Agriculture, Economic Research Service.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Economic Research Service and Duane A. Paul. The Changing U.S. Fertilizer Industry. Washington, D.C.: U.S. Dept. of Agriculture, Economic Research Service, 1977.

MLA (9th ed.) Citation

United States. Department of Agriculture. Economic Research Service and Duane A. Paul. The Changing U.S. Fertilizer Industry. U.S. Dept. of Agriculture, Economic Research Service, 1977.