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Guide for air pollution episode avoidance.

APA Citation

United States. Environmental Protection Agency. Office of Air Programs. (1971). Guide for air pollution episode avoidance. Research Triangle Park, N.C.;: For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington.

MLA Citation

United States. Environmental Protection Agency. Office of Air Programs. Guide for Air Pollution Episode Avoidance. Research Triangle Park, N.C.;: For sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington, 1971.

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