United States. Congress. Senate. Committee on Commerce. Subcommittee on the Environment & ProQuest (Firm). (1972). The inner city environment and the role of the Environmental Protection Agency: Hearings, Ninety-second Congress, second session . U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Subcommittee on the Environment and ProQuest (Firm). The Inner City Environment and the Role of the Environmental Protection Agency: Hearings, Ninety-second Congress, Second Session . Washington: U.S. Govt. Print. Off, 1972.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Commerce. Subcommittee on the Environment and ProQuest (Firm). The Inner City Environment and the Role of the Environmental Protection Agency: Hearings, Ninety-second Congress, Second Session . U.S. Govt. Print. Off, 1972.