Post route map of the state of Arkansas and of the Indian Territory : with adjacent portions of Mississippi, Tennessee, Missouri, Kansas, Texas and Louisiana / designed and constructed under the orders of Postmaster General D.M. Key, by W.L. Nicholson, to
MLA
Nicholson, W. L. Post Route Map of the State of Arkansas and of the Indian Territory : with Adjacent Portions of Mississippi, Tennessee, Missouri, Kansas, Texas and Louisiana / Designed and Constructed under the Orders of Postmaster General D.M. Key, by W.L. Nicholson, To. The Dept., 1881. https://collections.library.yale.edu/catalog/15814694.
APA, 6th edition
Nicholson, W. L. (1881). Post route map of the state of Arkansas and of the Indian Territory : with adjacent portions of Mississippi, Tennessee, Missouri, Kansas, Texas and Louisiana / designed and constructed under the orders of Postmaster General D.M. Key, by W.L. Nicholson, to [Maps]. The Dept., https://collections.library.yale.edu/catalog/15814694.
