APA

United States, . (1972). Reports to Congress, by Comptroller General of United States: more specific policies and procedures needed for determining royalties on oil from leased federal lands, Geological Survey, Interior Department. [Washington, D.C: .

Chicago

United States, . 1972. Reports to Congress, by Comptroller General of United States: more specific policies and procedures needed for determining royalties on oil from leased federal lands, Geological Survey, Interior Department. [Washington, D.C: .

Harvard

United States, . (1972). Reports to Congress, by Comptroller General of United States: more specific policies and procedures needed for determining royalties on oil from leased federal lands, Geological Survey, Interior Department. [Washington, D.C: .

MLA

United States, . Reports to Congress, by Comptroller General of United States: more specific policies and procedures needed for determining royalties on oil from leased federal lands, Geological Survey, Interior Department. [Washington, D.C: . 1972.