United States. Environmental Protection Agency. Office of Water. (2008). Complying with the long term 2 enhanced surface water treatment rule: Small entity compliance guide (Rev. May 2008.). U.S. Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Complying with the Long Term 2 Enhanced Surface Water Treatment Rule: Small Entity Compliance Guide. Rev. May 2008. [Washington, D.C.]: U.S. Environmental Protection Agency, Office of Water, 2008.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Complying with the Long Term 2 Enhanced Surface Water Treatment Rule: Small Entity Compliance Guide. Rev. May 2008. U.S. Environmental Protection Agency, Office of Water, 2008.