United States. Department of Health, Education, and Welfare. (1970). Air quality criteria for sulfur oxides. U.S. Department of Health, Education and Welfare.
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare. Air Quality Criteria for Sulfur Oxides. Washington: U.S. Department of Health, Education and Welfare, 1970.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare. Air Quality Criteria for Sulfur Oxides. U.S. Department of Health, Education and Welfare, 1970.
Warning: These citations may not always be 100% accurate.