Ott, W. R. (1978). Water quality indices: A survey of indices used in the United States. Environmental Protection Agency, Office of Research and Development, Office of Monitoring and Technical Support.
Chicago Style (17th ed.) CitationOtt, Wayne R. Water Quality Indices: A Survey of Indices Used in the United States. Washington: Environmental Protection Agency, Office of Research and Development, Office of Monitoring and Technical Support, 1978.
MLA (9th ed.) CitationOtt, Wayne R. Water Quality Indices: A Survey of Indices Used in the United States. Environmental Protection Agency, Office of Research and Development, Office of Monitoring and Technical Support, 1978.
Warning: These citations may not always be 100% accurate.