Standards for belt pulleys

Chicago citation style
Proprietors of the Locks and Canals on Merrimack River. Standards for belt pulleys. 1892-09-29. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/qb98n647v. (Accessed July 15, 2018.)
APA citation style
Proprietors of the Locks and Canals on Merrimack River, (1892-09-29) Standards for belt pulleys. Retrieved from the Digital Public Library of America, http://ark.digitalcommonwealth.org/ark:/50959/qb98n647v
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/qb98n647v>.
Note: These citations are programmatically generated and may be incomplete.