Map of the Indiana state highway system, 1932

Chicago citation style
Indiana State Highway Commission. Map of the Indiana state highway system, 1932. 1932-09. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1165. (Accessed June 20, 2018.)
APA citation style
Indiana State Highway Commission, (1932-09) Map of the Indiana state highway system, 1932. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1165
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/1165>.
Note: These citations are programmatically generated and may be incomplete.