APA

United States, . (1973). President's energy message and S. 1570: hearing, pursuant to S. Res. 45, national fuels and energy policy study, 93d Congress, 1st session, May 1, 1973. [Washington, D.C.]: .

Chicago

United States, . 1973. President's energy message and S. 1570: hearing, pursuant to S. Res. 45, national fuels and energy policy study, 93d Congress, 1st session, May 1, 1973. [Washington, D.C.]: .

Harvard

United States, . (1973). President's energy message and S. 1570: hearing, pursuant to S. Res. 45, national fuels and energy policy study, 93d Congress, 1st session, May 1, 1973. [Washington, D.C.]: .

MLA

United States, . President's energy message and S. 1570: hearing, pursuant to S. Res. 45, national fuels and energy policy study, 93d Congress, 1st session, May 1, 1973. [Washington, D.C.]: . 1973.