Thompson, J. (1909). Mammoth Cave, Kentucky; an historical sketch containing a brief description of some of the principal places of interest in the Mammoth Cave. Also a short description of Colossal Cavern (4th ed.). Times Pub. Co.
Chicago Style (17th ed.) CitationThompson, John. Mammoth Cave, Kentucky; an Historical Sketch Containing a Brief Description of Some of the Principal Places of Interest in the Mammoth Cave. Also a Short Description of Colossal Cavern. 4th ed. Smiths Grove, Kentucky: Times Pub. Co, 1909.
MLA (8th ed.) CitationThompson, John. Mammoth Cave, Kentucky; an Historical Sketch Containing a Brief Description of Some of the Principal Places of Interest in the Mammoth Cave. Also a Short Description of Colossal Cavern. 4th ed. Times Pub. Co, 1909.