Ezra Meeker and Boy Scouts at marker erected at the end of the Oregon Trail

Chicago citation style
Ezra Meeker and Boy Scouts at marker erected at the end of the Oregon Trail. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/portraits/id/222. (Accessed October 22, 2018.)
APA citation style
Ezra Meeker and Boy Scouts at marker erected at the end of the Oregon Trail. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/portraits/id/222
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/portraits/id/222>.
Note: These citations are programmatically generated and may be incomplete.