Cambrian and Ordovician [deposits of Maryland, by R. S. Bassler]

Chicago citation style
Maryland Geological Survey. Cambrian and Ordovician [deposits of Maryland, by R. S. Bassler]. 1919. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001661598. (Accessed November 14, 2018.)
APA citation style
Maryland Geological Survey, (1919) Cambrian and Ordovician [deposits of Maryland, by R. S. Bassler]. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/001661598
MLA citation style
Maryland Geological Survey. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/001661598>.
Note: These citations are programmatically generated and may be incomplete.