Chicago

Senate, Congress." S. Hrg. 93 - Decision of the Administrator of the Environmental Protection Agency regarding suspension of the 1975 auto emission standards. Part 4: hearings before the Subcommittee on Air and Water Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, first session .... Government. U.S. Government Publishing Office https://www.govinfo.gov/app/details/CHRG-93shrg96470Op4.

APA

Senate, Congress. (1973, June 26). Senate Hearing, 93rd Congress - Decision of the Administrator of the Environmental Protection Agency regarding suspension of the 1975 auto emission standards. Part 4: hearings before the Subcommittee on Air and Water Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, first session .... [Government]. U.S. Government Publishing Office. https://www.govinfo.gov/app/details/CHRG-93shrg96470Op4

MLA

Senate, Congress. Senate Hearing, 93rd Congress - Decision of the Administrator of the Environmental Protection Agency regarding suspension of the 1975 auto emission standards. Part 4: hearings before the Subcommittee on Air and Water Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, first session .... U.S. Government Publishing Office, (26 Jun 1973), https://www.govinfo.gov/app/details/CHRG-93shrg96470Op4

Bluebook

Senate, Congress, Decision of the Administrator of the Environmental Protection Agency regarding suspension of the 1975 auto emission standards. Part 4: hearings before the Subcommittee on Air and Water Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, first session ..., GovInfo, (June 26, 1973), https://www.govinfo.gov/app/details/CHRG-93shrg96470Op4