Colton's new railroad map of the United States & Canada

Chicago citation style
G.W. & C.B. Colton & Co. Colton's new railroad map of the United States & Canada. 1873. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82kp61c. (Accessed July 17, 2018.)
APA citation style
G.W. & C.B. Colton & Co, (1873) Colton's new railroad map of the United States & Canada. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/cj82kp61c
MLA citation style
G.W. & C.B. Colton & Co. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/cj82kp61c>.
Note: These citations are programmatically generated and may be incomplete.