United States. Department of Health, Education, and Welfare, & ProQuest (Firm). (1969). Progress in the prevention and control of air pollution. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Health, Education, and Welfare, and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution. Washington: [publisher not identified], 1969.
MLA (9th ed.) CitationUnited States. Department of Health, Education, and Welfare, and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution. [publisher not identified], 1969.
Warning: These citations may not always be 100% accurate.