Steam donkey engine, unidentified location, n.d

Chicago citation style
Twidle, H.. Steam donkey engine, unidentified location, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/220. (Accessed October 21, 2018.)
APA citation style
Twidle, H., Steam donkey engine, unidentified location, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/220
MLA citation style
Twidle, H.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/220>.
Note: These citations are programmatically generated and may be incomplete.