APA (7th ed.) Citation

United States. Natural Resources Conservation Service. (2003). National water quality handbook: Water, life's most essential element. U.S. Dept. of Agriculture, Natural Resources Conservation Service.

Chicago Style (17th ed.) Citation

United States. Natural Resources Conservation Service. National Water Quality Handbook: Water, Life's Most Essential Element. [Washington, D.C.]: U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2003.

MLA (9th ed.) Citation

United States. Natural Resources Conservation Service. National Water Quality Handbook: Water, Life's Most Essential Element. U.S. Dept. of Agriculture, Natural Resources Conservation Service, 2003.