APA (7th ed.) Citation

United States. Environmental Protection Agency & ProQuest (Firm). (1977). Progress in the prevention and control of air pollution in 1976. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Environmental Protection Agency and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution in 1976. Washington: [publisher not identified], 1977.

MLA (9th ed.) Citation

United States. Environmental Protection Agency and ProQuest (Firm). Progress in the Prevention and Control of Air Pollution in 1976. [publisher not identified], 1977.

Warning: These citations may not always be 100% accurate.