Ground Breaking, Pratt Site, April 23, 1977

Chicago citation style
Ground Breaking, Pratt Site, April 23, 1977. 1977-04-23. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/b2774294j. (Accessed August 14, 2018.)
APA citation style
(1977-04-23) Ground Breaking, Pratt Site, April 23, 1977. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/b2774294j
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/b2774294j>.
Note: These citations are programmatically generated and may be incomplete.