1950 Indiana official highway map

Chicago citation style
Indiana. State Highway Commission. 1950 Indiana official highway map. 1950. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1119. (Accessed June 22, 2018.)
APA citation style
Indiana. State Highway Commission, (1950) 1950 Indiana official highway map. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1119
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/1119>.
Note: These citations are programmatically generated and may be incomplete.