Turbines #9 and #10. Floats and guides

Chicago citation style
Proprietors of the Locks and Canals on Merrimack River. Turbines #9 and #10. Floats and guides. 1857-01-30. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/ws859g259. (Accessed June 18, 2018.)
APA citation style
Proprietors of the Locks and Canals on Merrimack River, (1857-01-30) Turbines #9 and #10. Floats and guides. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/ws859g259
MLA citation style
Proprietors of the Locks and Canals on Merrimack River. Retrieved from the Digital Public Library of America <http://ark.digitalcommonwealth.org/ark:/50959/ws859g259>.
Note: These citations are programmatically generated and may be incomplete.