Two police officers in front of steam engine

Chicago citation style
Two police officers in front of steam engine. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/829. (Accessed June 22, 2018.)
APA citation style
Two police officers in front of steam engine. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/829
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/indocc/id/829>.
Note: These citations are programmatically generated and may be incomplete.