The classification of the lower Carboniferous rocks of the Mississippi Valley

Chicago citation style
Keyes, Charles Rollin, 1864-1942. The classification of the lower Carboniferous rocks of the Mississippi Valley. 1892. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008423730. (Accessed December 15, 2018.)
APA citation style
Keyes, Charles Rollin, 1864-1942, (1892) The classification of the lower Carboniferous rocks of the Mississippi Valley. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/008423730
MLA citation style
Keyes, Charles Rollin, 1864-1942. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/008423730>.
Note: These citations are programmatically generated and may be incomplete.