Long, J. H., & Thorne, K. F. (1993). Atlas of historical county boundaries. New York: Simon & Schuster.
Chicago Style CitationLong, John Hamilton., and Kathryn Ford Thorne. Atlas of Historical County Boundaries. New York: Simon & Schuster, 1993.
MLA CitationLong, John Hamilton., and Kathryn Ford Thorne. Atlas of Historical County Boundaries. New York: Simon & Schuster, 1993.
Warning: These citations may not always be 100% accurate.