United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Welfare & ProQuest (Firm). (1970). Air Pollution Control and Solid Wastes Recycling: Hearings before the United States House Committee on Interstate and Foreign Commerce, Subcommittee on Public Health and Welfare, Ninety-First Congress, first session and Ninety-First Congress, second session, on Dec. 8, 9, 1969; Mar. 5, 16, 17, 1970. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Welfare and ProQuest (Firm). Air Pollution Control and Solid Wastes Recycling: Hearings Before the United States House Committee on Interstate and Foreign Commerce, Subcommittee on Public Health and Welfare, Ninety-First Congress, First Session and Ninety-First Congress, Second Session, on Dec. 8, 9, 1969; Mar. 5, 16, 17, 1970. Washington: U.S. G.P.O., 1970.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Public Health and Welfare and ProQuest (Firm). Air Pollution Control and Solid Wastes Recycling: Hearings Before the United States House Committee on Interstate and Foreign Commerce, Subcommittee on Public Health and Welfare, Ninety-First Congress, First Session and Ninety-First Congress, Second Session, on Dec. 8, 9, 1969; Mar. 5, 16, 17, 1970. U.S. G.P.O., 1970.