Colorado, its resorts and attractions to the pleasure-seeker, tourist and invalid presented by the Passenger Department of the Kansas Pacific Railway the only line to Denver and the Rocky Mountains
MLA
Company, Kansas Pacific Railway. Colorado, Its Resorts and Attractions to the Pleasure-Seeker, Tourist and Invalid Presented by the Passenger Department of the Kansas Pacific Railway the Only Line to Denver and the Rocky Mountains. 1873. https://collections.library.yale.edu/catalog/2032063.
APA, 6th edition
Company, K. P. R. (1873). Colorado, its resorts and attractions to the pleasure-seeker, tourist and invalid presented by the Passenger Department of the Kansas Pacific Railway the only line to Denver and the Rocky Mountains [Covers (Illustrations), Illustrations, Promotional literature, Wood engravings]. https://collections.library.yale.edu/catalog/2032063.
