Map of the Indiana state highway system

Chicago citation style
Indiana State Highway Commission. Map of the Indiana state highway system. 1936. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1161. (Accessed June 19, 2018.)
APA citation style
Indiana State Highway Commission, (1936) Map of the Indiana state highway system. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1161
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/1161>.
Note: These citations are programmatically generated and may be incomplete.