Digital Commonwealth

MLA

Proprietors of the Locks and Canals on Merrimack River. 54" Swain turbine. Nov 1879. Web. 18 Jun 2018. <https://ark.digitalcommonwealth.org/ark:/50959/w6634g40w>.

APA

Proprietors of the Locks and Canals on Merrimack River. (1879, November). 54" Swain turbine [Drawing]. Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/w6634g40w

Chicago

Proprietors of the Locks and Canals on Merrimack River. "54" Swain turbine." Drawing. November 1879. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/w6634g40w (accessed June 18, 2018).