National Turfgrass Evaluation Program (U.S.). (2003). The National Turfgrass research initiative: Enhancing America's beauty protecting America's natural resources ensuring the health and safety of all americans. National Turfgrass Evaluation Program, Betsville Agricultural Research Center.
Chicago Style (17th ed.) CitationNational Turfgrass Evaluation Program (U.S.). The National Turfgrass Research Initiative: Enhancing America's Beauty Protecting America's Natural Resources Ensuring the Health and Safety of All Americans. [Beltsville, Md.]: National Turfgrass Evaluation Program, Betsville Agricultural Research Center, 2003.
MLA (9th ed.) CitationNational Turfgrass Evaluation Program (U.S.). The National Turfgrass Research Initiative: Enhancing America's Beauty Protecting America's Natural Resources Ensuring the Health and Safety of All Americans. National Turfgrass Evaluation Program, Betsville Agricultural Research Center, 2003.