United States. Environmental Protection Agency. Office of Air Quality Planning and Standards. (1977). User's manual for single-source (CRSTER) model. Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Air Quality Planning and Standards. User's Manual for Single-source (CRSTER) Model. Research Triangle Park, N.C.: Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards, 1977.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Air Quality Planning and Standards. User's Manual for Single-source (CRSTER) Model. Environmental Protection Agency, Office of Air and Waste Management, Office of Air Quality Planning and Standards, 1977.