Post route map of the State of Colorado showing post offices with the intermediate distances on mail routes in operation on the 1st of December, 1903

Chicago citation style
United States, Post Office Dept. Post route map of the State of Colorado showing post offices with the intermediate distances on mail routes in operation on the 1st of December, 1903. 1903. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m320s. (Accessed June 20, 2018.)
APA citation style
United States, Post Office Dept, (1903) Post route map of the State of Colorado showing post offices with the intermediate distances on mail routes in operation on the 1st of December, 1903. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82m320s
MLA citation style
United States, Post Office Dept. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cj82m320s>.
Note: These citations are programmatically generated and may be incomplete.