APA (7th ed.) Citation

United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, & ProQuest (Firm). (1971). Oversight on Helium Conservation: Hearing, Ninety-Second Congress, first session. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, and ProQuest (Firm). Oversight on Helium Conservation: Hearing, Ninety-Second Congress, First Session. Washington: U.S. G.P.O., 1971.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels, and ProQuest (Firm). Oversight on Helium Conservation: Hearing, Ninety-Second Congress, First Session. U.S. G.P.O., 1971.