United States. Environmental Protection Agency. National Air Data Branch & United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. National emissions report. Environmental Protection Agency, Office of Air Quality Planning and Standards, Office of Air, Noise, and Radiation.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. National Air Data Branch and United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. National Emissions Report. Research Triangle Park, N.C.: Environmental Protection Agency, Office of Air Quality Planning and Standards, Office of Air, Noise, and Radiation.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. National Air Data Branch and United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. National Emissions Report. Environmental Protection Agency, Office of Air Quality Planning and Standards, Office of Air, Noise, and Radiation.