Forward base feeding system

Chicago citation style
Forward base feeding system. 1980-04. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51xm76h. (Accessed July 16, 2018.)
APA citation style
(1980-04) Forward base feeding system. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/zk51xm76h
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/zk51xm76h>.
Note: These citations are programmatically generated and may be incomplete.