Pictorial Map and Directory of Northern Colorado. Detail Map of Estes Park and Upper Thompson CanyonPictorial Map of Northern Colorado. This Map is presented by the Resorts and Places of Business shown here to help make your vacation more enjoyablePictorial Map and Directory of Northern Colorado. Map of Estes Park and Upper Thompson Canyon

Chicago citation style
Ruth, C.H. Pictorial Map and Directory of Northern Colorado. Detail Map of Estes Park and Upper Thompson Canyon,Pictorial Map of Northern Colorado. This Map is presented by the Resorts and Places of Business shown here to help make your vacation more enjoyable,Pictorial Map and Directory of Northern Colorado. Map of Estes Park and Upper Thompson Canyon. 1940. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~277736~90050755. (Accessed December 19, 2018.)
APA citation style
Ruth, C.H, (1940) Pictorial Map and Directory of Northern Colorado. Detail Map of Estes Park and Upper Thompson Canyon,Pictorial Map of Northern Colorado. This Map is presented by the Resorts and Places of Business shown here to help make your vacation more enjoyable,Pictorial Map and Directory of Northern Colorado. Map of Estes Park and Upper Thompson Canyon. Retrieved from the Digital Public Library of America, https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~277736~90050755
MLA citation style
Ruth, C.H. Retrieved from the Digital Public Library of America <https://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~277736~90050755>.
Note: These citations are programmatically generated and may be incomplete.