Englund, K. J., Smith, H. L., Harris, L. D., & Stephens, J. G. (1963). Geology of the Ewing quadrangle Kentucky and Virginia. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationEnglund, Kenneth John, H. L. Smith, L. D. Harris, and James G. Stephens. Geology of the Ewing Quadrangle Kentucky and Virginia. Washington, D.C.: United States Department of the Interior, Geological Survey, 1963.
MLA (9th ed.) CitationEnglund, Kenneth John, et al. Geology of the Ewing Quadrangle Kentucky and Virginia. United States Department of the Interior, Geological Survey, 1963.
Warning: These citations may not always be 100% accurate.