1939 official state highway system of Indiana

Chicago citation style
Indiana. State Highway Commission. 1939 official state highway system of Indiana. 1939. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1104. (Accessed June 20, 2018.)
APA citation style
Indiana. State Highway Commission, (1939) 1939 official state highway system of Indiana. Retrieved from the Digital Public Library of America, http://cdm16066.contentdm.oclc.org/cdm/ref/collection/p15078coll8/id/1104
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/1104>.
Note: These citations are programmatically generated and may be incomplete.