Map of routes for a Pacific railroad

Chicago citation style
Warren, G. K. (Gouverneur Kemble), 1830-1882. Map of routes for a Pacific railroad. 1855. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/1257b836d. (Accessed July 16, 2018.)
APA citation style
Warren, G. K. (Gouverneur Kemble), 1830-1882, (1855) Map of routes for a Pacific railroad. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/1257b836d
MLA citation style
Warren, G. K. (Gouverneur Kemble), 1830-1882. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/1257b836d>.
Note: These citations are programmatically generated and may be incomplete.