Yager, T. J. B., & McMahon, P. B. (2012). Preliminary assessment of sources of nitrogen in groundwater at a biosolids-application area near Deer Trail, Colorado, 2005. U.S. Department of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationYager, Tracy J. B., and Peter B. McMahon. Preliminary Assessment of Sources of Nitrogen in Groundwater at a Biosolids-application Area Near Deer Trail, Colorado, 2005. Reston, Virginia: U.S. Department of the Interior, U.S. Geological Survey, 2012.
MLA (9th ed.) CitationYager, Tracy J. B., and Peter B. McMahon. Preliminary Assessment of Sources of Nitrogen in Groundwater at a Biosolids-application Area Near Deer Trail, Colorado, 2005. U.S. Department of the Interior, U.S. Geological Survey, 2012.
Warning: These citations may not always be 100% accurate.