Unidentified man plowing with horse drawn plow

Chicago citation style
Unidentified man plowing with horse drawn plow. circa 1900s-1970s. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/othermiddle/id/100. (Accessed July 16, 2018.)
APA citation style
(circa 1900s-1970s) Unidentified man plowing with horse drawn plow. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/othermiddle/id/100
MLA citation style
Retrieved from the Digital Public Library of America <http://libx.bsu.edu/cdm/ref/collection/othermiddle/id/100>.
Note: These citations are programmatically generated and may be incomplete.