APA

United States, . (1957). Investigation of observance or nonobservance of acreage limitations of Mineral Leasing Act: hearings before subcommittee, 84th Congress, 2d session, to investigate observance or nonobservance of acreage limitations of Mineral Leasing Act, Sept. 20-Oct. 1, 1956. [Washington, D.C.]: .

Chicago

United States, . 1957. Investigation of observance or nonobservance of acreage limitations of Mineral Leasing Act: hearings before subcommittee, 84th Congress, 2d session, to investigate observance or nonobservance of acreage limitations of Mineral Leasing Act, Sept. 20-Oct. 1, 1956. [Washington, D.C.]: .

Harvard

United States, . (1957). Investigation of observance or nonobservance of acreage limitations of Mineral Leasing Act: hearings before subcommittee, 84th Congress, 2d session, to investigate observance or nonobservance of acreage limitations of Mineral Leasing Act, Sept. 20-Oct. 1, 1956. [Washington, D.C.]: .

MLA

United States, . Investigation of observance or nonobservance of acreage limitations of Mineral Leasing Act: hearings before subcommittee, 84th Congress, 2d session, to investigate observance or nonobservance of acreage limitations of Mineral Leasing Act, Sept. 20-Oct. 1, 1956. [Washington, D.C.]: . 1957.