APA

United States, . (1971). Compact to conserve oil and gas: hearing before Subcommittee on Minerals, Materials, and Fuels, 92d Congress, 1st session, on S.J. Res. 72, June 17, 1971. [Washington, D.C.]: .

Chicago

United States, . 1971. Compact to conserve oil and gas: hearing before Subcommittee on Minerals, Materials, and Fuels, 92d Congress, 1st session, on S.J. Res. 72, June 17, 1971. [Washington, D.C.]: .

Harvard

United States, . (1971). Compact to conserve oil and gas: hearing before Subcommittee on Minerals, Materials, and Fuels, 92d Congress, 1st session, on S.J. Res. 72, June 17, 1971. [Washington, D.C.]: .

MLA

United States, . Compact to conserve oil and gas: hearing before Subcommittee on Minerals, Materials, and Fuels, 92d Congress, 1st session, on S.J. Res. 72, June 17, 1971. [Washington, D.C.]: . 1971.