United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor & ProQuest (Firm). (1970). Occupational Safety and Health Act, 1970: Hearings before the United States Senate Committee on Labor and Public Welfare, Subcommittee on Labor, Ninety-First Congress, first session and Ninety-First Congress, second session, on Sept. 30, Nov. 4, 21, 24, 26, Dec. 9, 15, 16, 1969; Mar. 7, Apr. 10, 28, 1970. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor and ProQuest (Firm). Occupational Safety and Health Act, 1970: Hearings Before the United States Senate Committee on Labor and Public Welfare, Subcommittee on Labor, Ninety-First Congress, First Session and Ninety-First Congress, Second Session, on Sept. 30, Nov. 4, 21, 24, 26, Dec. 9, 15, 16, 1969; Mar. 7, Apr. 10, 28, 1970. Washington: U.S. G.P.O., 1970.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor and ProQuest (Firm). Occupational Safety and Health Act, 1970: Hearings Before the United States Senate Committee on Labor and Public Welfare, Subcommittee on Labor, Ninety-First Congress, First Session and Ninety-First Congress, Second Session, on Sept. 30, Nov. 4, 21, 24, 26, Dec. 9, 15, 16, 1969; Mar. 7, Apr. 10, 28, 1970. U.S. G.P.O., 1970.