Canned fruit syrup clarifier machines

Chicago citation style
Unknown. Canned fruit syrup clarifier machines. circa 1920. Retrieved from the Digital Public Library of America, http://digitalcollections.sjlibrary.org/cdm/ref/collection/sjsurc/id/8. (Accessed December 15, 2018.)
APA citation style
Unknown, (circa 1920) Canned fruit syrup clarifier machines. Retrieved from the Digital Public Library of America, http://digitalcollections.sjlibrary.org/cdm/ref/collection/sjsurc/id/8
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://digitalcollections.sjlibrary.org/cdm/ref/collection/sjsurc/id/8>.
Note: These citations are programmatically generated and may be incomplete.