Maps of rural delivery routes in Virginia, by county

Chicago citation style
Post Office Department, Division of Topography. Maps of rural delivery routes in Virginia, by county. ca. 1907-ca. 1937. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:600034. (Accessed July 19, 2018.)
APA citation style
Post Office Department, Division of Topography, (ca. 1907-ca. 1937) Maps of rural delivery routes in Virginia, by county. Retrieved from the Digital Public Library of America, http://search.lib.virginia.edu/catalog/uva-lib:600034
MLA citation style
Post Office Department, Division of Topography. Retrieved from the Digital Public Library of America <http://search.lib.virginia.edu/catalog/uva-lib:600034>.
Note: These citations are programmatically generated and may be incomplete.