1937 official state highway map of Indiana

Chicago citation style
Indiana. State Highway Commission. 1937 official state highway map of Indiana. 1937. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1100. (Accessed June 19, 2018.)
APA citation style
Indiana. State Highway Commission, (1937) 1937 official state highway map of Indiana. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1100
MLA citation style
Indiana. State Highway Commission. Retrieved from the Digital Public Library of America <http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1100>.
Note: These citations are programmatically generated and may be incomplete.