Chicago

House of Representatives, Congress." House Hearing, 90th Congress - International Biological Program: hearings before the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, first session, on H. Con. Res. 273, May 9, June 6, July 12, August 3 and 9, 1967.. Government. U.S. Government Printing Office https://www.govinfo.gov/app/details/CHRG-90hhrg83275.

APA

House of Representatives, Congress. (1967, May 9). House Hearing, 90th Congress - International Biological Program: hearings before the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, first session, on H. Con. Res. 273, May 9, June 6, July 12, August 3 and 9, 1967.. [Government]. U.S. Government Printing Office. https://www.govinfo.gov/app/details/CHRG-90hhrg83275

MLA

House of Representatives, Congress. House Hearing, 90th Congress - International Biological Program: hearings before the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, first session, on H. Con. Res. 273, May 9, June 6, July 12, August 3 and 9, 1967.. U.S. Government Printing Office, (9 May 1967), https://www.govinfo.gov/app/details/CHRG-90hhrg83275

Bluebook

House of Representatives, Congress, International Biological Program: hearings before the Subcommittee on Science, Research, and Development of the Committee on Science and Astronautics, U.S. House of Representatives, Ninetieth Congress, first session, on H. Con. Res. 273, May 9, June 6, July 12, August 3 and 9, 1967., GovInfo, (May 9, 1967), https://www.govinfo.gov/app/details/CHRG-90hhrg83275