CEMEL, equipment, goggles, laser, type 1-B, (on model)

Chicago citation style
CEMEL, equipment, goggles, laser, type 1-B, (on model). 1971-01-25. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51wh04g. (Accessed July 21, 2018.)
APA citation style
(1971-01-25) CEMEL, equipment, goggles, laser, type 1-B, (on model). Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51wh04g
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/zk51wh04g>.
Note: These citations are programmatically generated and may be incomplete.