Leaflet rolling device

Chicago citation style
Leaflet rolling device. 1977-12-13. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930g520f. (Accessed June 18, 2018.)
APA citation style
(1977-12-13) Leaflet rolling device. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/k930g520f
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/k930g520f>.
Note: These citations are programmatically generated and may be incomplete.