Chicago

House of Representatives, Congress." House Hearing, 89th Congress - International commercial standards activities: hearings before the Ad Hoc Subcommittee of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-ninth Congress, second session, on H.R. 17424 and H.R. 17598 (identical bills) September 20, 21, and 22, 1966.. Government. U.S. Government Printing Office https://www.govinfo.gov/app/details/CHRG-89hhrg69452.

APA

House of Representatives, Congress. (1966, September 20). House Hearing, 89th Congress - International commercial standards activities: hearings before the Ad Hoc Subcommittee of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-ninth Congress, second session, on H.R. 17424 and H.R. 17598 (identical bills) September 20, 21, and 22, 1966.. [Government]. U.S. Government Printing Office. https://www.govinfo.gov/app/details/CHRG-89hhrg69452

MLA

House of Representatives, Congress. House Hearing, 89th Congress - International commercial standards activities: hearings before the Ad Hoc Subcommittee of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-ninth Congress, second session, on H.R. 17424 and H.R. 17598 (identical bills) September 20, 21, and 22, 1966.. U.S. Government Printing Office, (20 Sep 1966), https://www.govinfo.gov/app/details/CHRG-89hhrg69452

Bluebook

House of Representatives, Congress, International commercial standards activities: hearings before the Ad Hoc Subcommittee of the Committee on Science and Astronautics, U.S. House of Representatives, Eighty-ninth Congress, second session, on H.R. 17424 and H.R. 17598 (identical bills) September 20, 21, and 22, 1966., GovInfo, (September 20, 1966), https://www.govinfo.gov/app/details/CHRG-89hhrg69452