Natural Bridge Entrance Building, showing the Blue Ridge Mountains in the background

Chicago citation style
Natural Bridge Entrance Building, showing the Blue Ridge Mountains in the background. 1930-1945. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/th83m821m. (Accessed July 22, 2018.)
APA citation style
(1930-1945) Natural Bridge Entrance Building, showing the Blue Ridge Mountains in the background. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/th83m821m
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/th83m821m>.
Note: These citations are programmatically generated and may be incomplete.