United States. Environmental Protection Agency. Office of Ground Water and Drinking Water. (1999). The class V underground injection control study: Volume 1 : study approach and general findings. United States, Environmental Protection Agency, Office of Ground Water and Drinking Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground Water and Drinking Water. The Class V Underground Injection Control Study: Volume 1 : Study Approach and General Findings. [Washington, D.C.]: United States, Environmental Protection Agency, Office of Ground Water and Drinking Water, 1999.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Ground Water and Drinking Water. The Class V Underground Injection Control Study: Volume 1 : Study Approach and General Findings. United States, Environmental Protection Agency, Office of Ground Water and Drinking Water, 1999.