Beck, W. M. (1977). Environmental requirements and pollution tolerance of common freshwater chironmidae. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory.
Chicago Style (17th ed.) CitationBeck, William M. Environmental Requirements and Pollution Tolerance of Common Freshwater Chironmidae. Cincinnati, Ohio: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, 1977.
MLA (9th ed.) CitationBeck, William M. Environmental Requirements and Pollution Tolerance of Common Freshwater Chironmidae. Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory, 1977.
Warning: These citations may not always be 100% accurate.