APA

United States, . (1971). President's energy message: hearing, 92d Congress, 1st session, pursuant to S. Res. 45, national fuels and energy policy study, June 15, 1971. [Washington, D.C.]: .

Chicago

United States, . 1971. President's energy message: hearing, 92d Congress, 1st session, pursuant to S. Res. 45, national fuels and energy policy study, June 15, 1971. [Washington, D.C.]: .

Harvard

United States, . (1971). President's energy message: hearing, 92d Congress, 1st session, pursuant to S. Res. 45, national fuels and energy policy study, June 15, 1971. [Washington, D.C.]: .

MLA

United States, . President's energy message: hearing, 92d Congress, 1st session, pursuant to S. Res. 45, national fuels and energy policy study, June 15, 1971. [Washington, D.C.]: . 1971.