APA (7th ed.) Citation

United States. Congress. Senate. Committee on Commerce, ProQuest (Firm), & United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. (1968). Automobile Steam Engine and Other External Combustion Engines: Hearings before the United States Senate Committee on Commerce, and Senate Committee on Public Works, Subcommittee on Air and Water Pollution, Ninetieth Congress, second session, on May 27, 28, 1968. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Commerce, ProQuest (Firm), and United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. Automobile Steam Engine and Other External Combustion Engines: Hearings Before the United States Senate Committee on Commerce, and Senate Committee on Public Works, Subcommittee on Air and Water Pollution, Ninetieth Congress, Second Session, on May 27, 28, 1968. Washington: U.S. G.P.O., 1968.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Commerce, et al. Automobile Steam Engine and Other External Combustion Engines: Hearings Before the United States Senate Committee on Commerce, and Senate Committee on Public Works, Subcommittee on Air and Water Pollution, Ninetieth Congress, Second Session, on May 27, 28, 1968. U.S. G.P.O., 1968.