Chicago

Senate, Congress." S. Hrg. 92 - Water pollution control legislation. Part 8, Waste water treatment technology: hearings before the Panel on Environmental Science and Technology of the Subcommittee on Air and Water Pollution, Committee on Public Works, United States Senate, Ninety-second Congress, first session .... Government. U.S. Government Printing Office https://www.govinfo.gov/app/details/CHRG-92shrg59068Op8.

APA

Senate, Congress. (1971, May 13). Senate Hearing, 92nd Congress - Water pollution control legislation. Part 8, Waste water treatment technology: hearings before the Panel on Environmental Science and Technology of the Subcommittee on Air and Water Pollution, Committee on Public Works, United States Senate, Ninety-second Congress, first session .... [Government]. U.S. Government Printing Office. https://www.govinfo.gov/app/details/CHRG-92shrg59068Op8

MLA

Senate, Congress. Senate Hearing, 92nd Congress - Water pollution control legislation. Part 8, Waste water treatment technology: hearings before the Panel on Environmental Science and Technology of the Subcommittee on Air and Water Pollution, Committee on Public Works, United States Senate, Ninety-second Congress, first session .... U.S. Government Printing Office, (13 May 1971), https://www.govinfo.gov/app/details/CHRG-92shrg59068Op8

Bluebook

Senate, Congress, Water pollution control legislation. Part 8, Waste water treatment technology: hearings before the Panel on Environmental Science and Technology of the Subcommittee on Air and Water Pollution, Committee on Public Works, United States Senate, Ninety-second Congress, first session ..., GovInfo, (May 13, 1971), https://www.govinfo.gov/app/details/CHRG-92shrg59068Op8