This primary source comes from the Records of the U.S. Food Administration.
Full Citation: Poster 'Concerning our Restricted Output' from the Coca-Cola Company; 1918; General Correspondence, 1917 - 1919; Records of the U.S. Food Administration, Record Group 4; National Archives at Chicago, Chicago, IL. [Online Version, https://docsteach.org/documents/document/poster-concerning-restricted-output-cocacola, April 25, 2024]