(1990). Biological criteria. Criteria and Standards Division, Office of Water Regulations and Standards, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationBiological Criteria. Washington, D.C.: Criteria and Standards Division, Office of Water Regulations and Standards, U.S. Environmental Protection Agency, 1990.
MLA (9th ed.) CitationBiological Criteria. Criteria and Standards Division, Office of Water Regulations and Standards, U.S. Environmental Protection Agency, 1990.
Warning: These citations may not always be 100% accurate.