United States, limestone rock formation in Michigan

Chicago citation style
Platt, Robert S. (Robert Swanton), 1891-1964. United States, limestone rock formation in Michigan. 1934. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agsnorth/id/15097. (Accessed January 24, 2020.)
APA citation style
Platt, Robert S. (Robert Swanton), 1891-1964, (1934) United States, limestone rock formation in Michigan. Retrieved from the Digital Public Library of America, http://collections.lib.uwm.edu/cdm/ref/collection/agsnorth/id/15097
MLA citation style
Platt, Robert S. (Robert Swanton), 1891-1964. Retrieved from the Digital Public Library of America <http://collections.lib.uwm.edu/cdm/ref/collection/agsnorth/id/15097>.
Note: These citations are programmatically generated and may be incomplete.