The national safety brake lever : (patented)

Chicago citation style
National Malleaable Castings Company. The national safety brake lever : (patented). c1914. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289508. (Accessed December 12, 2018.)
APA citation style
National Malleaable Castings Company, (c1914) The national safety brake lever : (patented). Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/102289508
MLA citation style
National Malleaable Castings Company. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/102289508>.
Note: These citations are programmatically generated and may be incomplete.