Gordon, J. D., Willoughby, T. C., & Schroder, L. J. (1991). Summary of the National Atmospheric Deposition Program/National Trends Network intersite-comparison program, November 1978-November 1989. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGordon, J. D., Timothy C. Willoughby, and L. J. Schroder. Summary of the National Atmospheric Deposition Program/National Trends Network Intersite-comparison Program, November 1978-November 1989. Denver, Colorado: U.S. Geological Survey, 1991.
MLA (9th ed.) CitationGordon, J. D., et al. Summary of the National Atmospheric Deposition Program/National Trends Network Intersite-comparison Program, November 1978-November 1989. U.S. Geological Survey, 1991.
Warning: These citations may not always be 100% accurate.