United States. Environmental Protection Agency. Office of Air Quality Planning and Standards & Watson, J. G. (2008). Assessment of carbon sampling artifacts in the IMPROVE, STN/CSN, and SEARCH networks. U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Air Quality Planning and Standards and John G. Watson. Assessment of Carbon Sampling Artifacts in the IMPROVE, STN/CSN, and SEARCH Networks. Research Triangle Park, N.C.: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, 2008.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Air Quality Planning and Standards and John G. Watson. Assessment of Carbon Sampling Artifacts in the IMPROVE, STN/CSN, and SEARCH Networks. U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, 2008.