Early steam donkeys used at Merrill & Ring [text with technical drawing]

Chicago citation style
Early steam donkeys used at Merrill & Ring [text with technical drawing]. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/CMPindiv/id/940. (Accessed June 23, 2018.)
APA citation style
Early steam donkeys used at Merrill & Ring [text with technical drawing]. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/CMPindiv/id/940
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/CMPindiv/id/940>.
Note: These citations are programmatically generated and may be incomplete.