APA

United States, . (1973). Toward rational policy for oil and gas imports, policy background paper: prepared pursuant to S. Res. 45, national fuels and energy policy study. [Washington, D.C.]: .

Chicago

United States, . 1973. Toward rational policy for oil and gas imports, policy background paper: prepared pursuant to S. Res. 45, national fuels and energy policy study. [Washington, D.C.]: .

Harvard

United States, . (1973). Toward rational policy for oil and gas imports, policy background paper: prepared pursuant to S. Res. 45, national fuels and energy policy study. [Washington, D.C.]: .

MLA

United States, . Toward rational policy for oil and gas imports, policy background paper: prepared pursuant to S. Res. 45, national fuels and energy policy study. [Washington, D.C.]: . 1973.