Buying commodities by weight or measure. December 9, 1920

Chicago citation style
United States. National Bureau of Standards. Buying commodities by weight or measure. December 9, 1920. 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011444527. (Accessed November 15, 2018.)
APA citation style
United States. National Bureau of Standards, (1920) Buying commodities by weight or measure. December 9, 1920. Retrieved from the Digital Public Library of America, http://catalog.hathitrust.org/Record/011444527
MLA citation style
United States. National Bureau of Standards. Retrieved from the Digital Public Library of America <http://catalog.hathitrust.org/Record/011444527>.
Note: These citations are programmatically generated and may be incomplete.