Linotype operator and observers

Chicago citation style
Linotype operator and observers. circa 1950s-1960s. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/MunHisPhoto/id/2050. (Accessed June 25, 2018.)
APA citation style
(circa 1950s-1960s) Linotype operator and observers. Retrieved from the Digital Public Library of America, http://libx.bsu.edu/cdm/ref/collection/MunHisPhoto/id/2050
MLA citation style
Retrieved from the Digital Public Library of America <http://libx.bsu.edu/cdm/ref/collection/MunHisPhoto/id/2050>.
Note: These citations are programmatically generated and may be incomplete.