United States, ProQuest (Firm), & United States. Congress. Senate. Committee on Environment and Public Works. (1977). The Clean water act showing changes made by the 1977 amendments. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States, ProQuest (Firm), and United States. Congress. Senate. Committee on Environment and Public Works. The Clean Water Act Showing Changes Made by the 1977 Amendments. Washington: U.S. Govt. Print. Off, 1977.
MLA (9th ed.) CitationUnited States, et al. The Clean Water Act Showing Changes Made by the 1977 Amendments. U.S. Govt. Print. Off, 1977.
Warning: These citations may not always be 100% accurate.