IPD

Chicago citation style
IPD. 1994-09-18. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4f16d4502. (Accessed July 18, 2018.)
APA citation style
(1994-09-18) IPD. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/4f16d4502
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/4f16d4502>.
Note: These citations are programmatically generated and may be incomplete.