APA

United States, . (1981). Energy conservation: emerging consensus, diverging commitment : a staff study : prepared for the use of the Subcommittee on Energy of the Joint Economic Committee, Congress of the United States, December 31, 1980. Washington: U.S. G.P.O.

Chicago

United States, . 1981. Energy conservation: emerging consensus, diverging commitment : a staff study : prepared for the use of the Subcommittee on Energy of the Joint Economic Committee, Congress of the United States, December 31, 1980. Washington: U.S. G.P.O.

Harvard

United States, . (1981). Energy conservation: emerging consensus, diverging commitment : a staff study : prepared for the use of the Subcommittee on Energy of the Joint Economic Committee, Congress of the United States, December 31, 1980. Washington: U.S. G.P.O.

MLA

United States, . Energy conservation: emerging consensus, diverging commitment : a staff study : prepared for the use of the Subcommittee on Energy of the Joint Economic Committee, Congress of the United States, December 31, 1980. Washington: U.S. G.P.O. 1981.