Herman Troxell, Engineer, working on a Washington Diesel engine, n.d

Chicago citation style
Herman Troxell, Engineer, working on a Washington Diesel engine, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmaritime/id/246. (Accessed November 20, 2018.)
APA citation style
Herman Troxell, Engineer, working on a Washington Diesel engine, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmaritime/id/246
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/imlsmaritime/id/246>.
Note: These citations are programmatically generated and may be incomplete.