Map of the Missouri Pacific Railway : St. Louis, Iron Mt. & Southern Ry, leased, operated & independent lines & connections.
MLA
McNally, Rand, and Company. Map of the Missouri Pacific Railway : St. Louis, Iron Mt. & Southern Ry, Leased, Operated & Independent Lines & Connections. Rand McNally, 1900. https://collections.library.yale.edu/catalog/15813033.
APA, 6th edition
McNally, R., & C. (1900). Map of the Missouri Pacific Railway : St. Louis, Iron Mt. & Southern Ry, leased, operated & independent lines & connections. [Maps]. Rand McNally, https://collections.library.yale.edu/catalog/15813033.