APA (7th ed.) Citation

United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor, ProQuest (Firm), & United States. (1971). Federal coal mine health and safety act of 1969 (Public law 91-173): Proposed amendments to title IV, black lung legislation, bill text, section-by-section analysis. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor, ProQuest (Firm), and United States. Federal Coal Mine Health and Safety Act of 1969 (Public Law 91-173): Proposed Amendments to Title IV, Black Lung Legislation, Bill Text, Section-by-section Analysis. Washington: U.S. Govt. Print. Off, 1971.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Labor and Public Welfare. Subcommittee on Labor, et al. Federal Coal Mine Health and Safety Act of 1969 (Public Law 91-173): Proposed Amendments to Title IV, Black Lung Legislation, Bill Text, Section-by-section Analysis. U.S. Govt. Print. Off, 1971.