Official Interurban map issued by the Terre Haute, Indianapolis & Eastern Traction Company : 425 miles in Indiana and Illinois, connecting with interurban railways in Indiana, Ohio, and Michigan.
MLA
Official Interurban Map Issued by the Terre Haute, Indianapolis & Eastern Traction Company : 425 Miles in Indiana and Illinois, Connecting with Interurban Railways in Indiana, Ohio, and Michigan. s.n., 1915. https://collections.library.yale.edu/catalog/15827786.
APA, 6th edition
Official Interurban map issued by the Terre Haute, Indianapolis & Eastern Traction Company : 425 miles in Indiana and Illinois, connecting with interurban railways in Indiana, Ohio, and Michigan. (1915). [Maps]. s.n., https://collections.library.yale.edu/catalog/15827786.