CEMEL, friction test in progress

Chicago citation style
CEMEL, friction test in progress. 1978-02-23. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/7d279r85n. (Accessed July 18, 2018.)
APA citation style
(1978-02-23) CEMEL, friction test in progress. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/7d279r85n
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/7d279r85n>.
Note: These citations are programmatically generated and may be incomplete.