CEMEL CVC development helmet & head-set

Chicago citation style
CEMEL CVC development helmet & head-set. 1977-06-10. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51zc11d. (Accessed June 24, 2018.)
APA citation style
(1977-06-10) CEMEL CVC development helmet & head-set. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51zc11d
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/zk51zc11d>.
Note: These citations are programmatically generated and may be incomplete.