Mellen

Chicago citation style
Geological Survey (U.S. Mellen. 1967. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2640. (Accessed April 11, 2021.)
APA citation style
Geological Survey (U.S, (1967) Mellen. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2640
MLA citation style
Geological Survey (U.S. Retrieved from the Digital Public Library of America <http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/2640>.
Note: These citations are programmatically generated and may be incomplete.