United States. Environmental Protection Agency & ProQuest (Firm). (1976). Progress in the prevention and control of air pollution in 1975. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution in 1975. Washington: [publisher not identified], 1976.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution in 1975. [publisher not identified], 1976.
Warning: These citations may not always be 100% accurate.