APA

United States, . (1967). Geothermal steam leasing: hearings before Subcommittee on Minerals, Materials, and Fuels, 90th Congress, 1st session, on S. 23 and S. 912, Mar. 21 and 22, 1967. [Washington, D.C.]: .

Chicago

United States, . 1967. Geothermal steam leasing: hearings before Subcommittee on Minerals, Materials, and Fuels, 90th Congress, 1st session, on S. 23 and S. 912, Mar. 21 and 22, 1967. [Washington, D.C.]: .

Harvard

United States, . (1967). Geothermal steam leasing: hearings before Subcommittee on Minerals, Materials, and Fuels, 90th Congress, 1st session, on S. 23 and S. 912, Mar. 21 and 22, 1967. [Washington, D.C.]: .

MLA

United States, . Geothermal steam leasing: hearings before Subcommittee on Minerals, Materials, and Fuels, 90th Congress, 1st session, on S. 23 and S. 912, Mar. 21 and 22, 1967. [Washington, D.C.]: . 1967.