Post route map of the territory of Utah : with parts of adjacent states and territories / published by order of Postmaster General Walter Q. Gresham, under the direction of C.Roeser, Jr., topographer, P.O. Dept.
MLA
Dept, United States. Post Office. Post Route Map of the Territory of Utah : with Parts of Adjacent States and Territories / Published by Order of Postmaster General Walter Q. Gresham, under the Direction of C.Roeser, Jr., Topographer, P.O. Dept. Post Office Dept., 1883. https://collections.library.yale.edu/catalog/15818508.
APA, 6th edition
Dept, U. S. P. O. (1883). Post route map of the territory of Utah : with parts of adjacent states and territories / published by order of Postmaster General Walter Q. Gresham, under the direction of C.Roeser, Jr., topographer, P.O. Dept. [Maps]. Post Office Dept., https://collections.library.yale.edu/catalog/15818508.