Watts, K. C., Hassemer, J. R., & Siems, D. F. (1984). Geochemical halos in the Silver City mining region and adjacent areas, Grant County, New Mexico. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationWatts, K. C., Jerry R. Hassemer, and David F. Siems. Geochemical Halos in the Silver City Mining Region and Adjacent Areas, Grant County, New Mexico. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1984.
MLA (9th ed.) CitationWatts, K. C., et al. Geochemical Halos in the Silver City Mining Region and Adjacent Areas, Grant County, New Mexico. U.S. Dept. of the Interior, Geological Survey, 1984.
Warning: These citations may not always be 100% accurate.