Official Highway Map of Wisconsin 1931

Chicago citation style
Wisconsin. State Highway Commission. Official Highway Map of Wisconsin 1931. 1931. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/14138. (Accessed December 6, 2019.)
APA citation style
Wisconsin. State Highway Commission, (1931) Official Highway Map of Wisconsin 1931. Retrieved from the Digital Public Library of America, http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/14138
MLA citation style
Wisconsin. State Highway Commission. Retrieved from the Digital Public Library of America <http://content.wisconsinhistory.org/cdm/ref/collection/maps/id/14138>.
Note: These citations are programmatically generated and may be incomplete.