Progress in the prevention and control of air pollution;
annual report of the administrator of the Environmental Protection Agency to the Congress of the United States .

APA Citation

United States. Environmental Protection Agency. (1972). Progress in the prevention and control of air pollution: annual report of the administrator of the Environmental Protection Agency to the Congress of the United States. Washington: U.S. Govt. Print. Off..

MLA Citation

United States. Environmental Protection Agency. Progress In the Prevention And Control of Air Pollution: Annual Report of the Administrator of the Environmental Protection Agency to the Congress of the United States. Washington: U.S. Govt. Print. Off., 1972.

Warning: These citations may not always be complete (especially for serials).