Selected analytical methods approved and cited by the United States Environmental Protection Agency /
prepared and published by American Public Health Association, American Water Works Association, Water Pollution Control Federation.

APA Citation

Water Pollution Control Federation., American Water Works Association., American Public Health Association., United States. Environmental Protection Agency. (1981). Selected analytical methods approved and cited by the United States Environmental Protection Agency. [Washington, D.C.]: American Public Health Association.

MLA Citation

Water Pollution Control Federation, American Water Works Association, American Public Health Association, and United States. Environmental Protection Agency. Selected Analytical Methods Approved And Cited by the United States Environmental Protection Agency. [Washington, D.C.]: American Public Health Association, 1981.