Style 2 inside (top) round

Chicago citation style
Style 2 inside (top) round. 1971-07-29. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51wf83q. (Accessed July 15, 2018.)
APA citation style
(1971-07-29) Style 2 inside (top) round. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51wf83q
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/zk51wf83q>.
Note: These citations are programmatically generated and may be incomplete.