Lower Devonian, text

Chicago citation style
Maryland Geological Survey. Lower Devonian, text. 1913. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001661596. (Accessed November 13, 2018.)
APA citation style
Maryland Geological Survey, (1913) Lower Devonian, text. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001661596
MLA citation style
Maryland Geological Survey. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001661596>.
Note: These citations are programmatically generated and may be incomplete.