Newald

Chicago citation style
Geological Survey (U.S. Newald. 1972. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2733. (Accessed December 10, 2019.)
APA citation style
Geological Survey (U.S, (1972) Newald. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2733
MLA citation style
Geological Survey (U.S. Retrieved from the Digital Public Library of America <http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2733>.
Note: These citations are programmatically generated and may be incomplete.