U.S. army tractor ascending Rhine bank near Coblenz

Chicago citation style
U.S. army tractor ascending Rhine bank near Coblenz. 1914-1930. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5d86p9395. (Accessed June 20, 2018.)
APA citation style
(1914-1930) U.S. army tractor ascending Rhine bank near Coblenz. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/5d86p9395
MLA citation style
Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/5d86p9395>.
Note: These citations are programmatically generated and may be incomplete.