IPD, PRTS helmet

Chicago citation style
IPD, PRTS helmet. 1988-04-06. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/nz808f552. (Accessed July 21, 2018.)
APA citation style
(1988-04-06) IPD, PRTS helmet. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/nz808f552
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/nz808f552>.
Note: These citations are programmatically generated and may be incomplete.