United States. Environmental Protection Agency. Office of Science and Technology. (2000). Improved enumeration methods for the recreational water quality indicators: Enterococci and Escherichia coli. United States Environmental Protection Agency, Office of Science and Technology.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Science and Technology. Improved Enumeration Methods for the Recreational Water Quality Indicators: Enterococci and Escherichia Coli. [Washington, D.C.]: United States Environmental Protection Agency, Office of Science and Technology, 2000.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Science and Technology. Improved Enumeration Methods for the Recreational Water Quality Indicators: Enterococci and Escherichia Coli. United States Environmental Protection Agency, Office of Science and Technology, 2000.