APA (7th ed.) Citation

United States. Department of Agriculture & National Turfgrass Evaluation Program (U.S.). (1995). National perennial ryegrass test-1990: Final report 1991-94. U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture and National Turfgrass Evaluation Program (U.S.). National Perennial Ryegrass Test-1990: Final Report 1991-94. Beltsville, Md.: U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 1995.

MLA (9th ed.) Citation

United States. Department of Agriculture and National Turfgrass Evaluation Program (U.S.). National Perennial Ryegrass Test-1990: Final Report 1991-94. U.S. Dept. of Agriculture, Agricultural Research Service, Beltsville Agricultural Research Center, 1995.