APA (7th ed.) Citation

United States, ProQuest (Firm), & United States. Congress. Senate. Committee on Environment and Public Works. (1981). The Clean Air Act as amended through July 1981. U.S. G.P.O..

Chicago Style (17th ed.) Citation

United States, ProQuest (Firm), and United States. Congress. Senate. Committee on Environment and Public Works. The Clean Air Act as Amended Through July 1981. Washington: U.S. G.P.O., 1981.

MLA (9th ed.) Citation

United States, et al. The Clean Air Act as Amended Through July 1981. U.S. G.P.O., 1981.