Cite

Railroad map of Kentucky / issued by authority of the Railroad Commission.

MLA

Railroad Map of Kentucky / Issued by Authority of the Railroad Commission. The Commission, 1910. https://collections.library.yale.edu/catalog/15952218.

APA, 6th edition

Railroad map of Kentucky / issued by authority of the Railroad Commission. (1910). [Maps]. The Commission, https://collections.library.yale.edu/catalog/15952218.