Chicago

Senate, Congress." S. Hrg. 91 - Public works for water, pollution control, and power development, and Atomic Energy Commission appropriations for fiscal year 1970. Part 2: hearings before the subcommittee of the Committee on Appropriations, U.S. Senate, Ninety-first Congress, first session .... Government. U.S. Government Printing Office https://www.govinfo.gov/app/details/CHRG-91shrg27920Op2.

APA

Senate, Congress. (1969, December 31). Senate Hearing, 91st Congress - Public works for water, pollution control, and power development, and Atomic Energy Commission appropriations for fiscal year 1970. Part 2: hearings before the subcommittee of the Committee on Appropriations, U.S. Senate, Ninety-first Congress, first session .... [Government]. U.S. Government Printing Office. https://www.govinfo.gov/app/details/CHRG-91shrg27920Op2

MLA

Senate, Congress. Senate Hearing, 91st Congress - Public works for water, pollution control, and power development, and Atomic Energy Commission appropriations for fiscal year 1970. Part 2: hearings before the subcommittee of the Committee on Appropriations, U.S. Senate, Ninety-first Congress, first session .... U.S. Government Printing Office, (31 Dec 1969), https://www.govinfo.gov/app/details/CHRG-91shrg27920Op2

Bluebook

Senate, Congress, Public works for water, pollution control, and power development, and Atomic Energy Commission appropriations for fiscal year 1970. Part 2: hearings before the subcommittee of the Committee on Appropriations, U.S. Senate, Ninety-first Congress, first session ..., GovInfo, (December 31, 1969), https://www.govinfo.gov/app/details/CHRG-91shrg27920Op2