An idle machine is an empty gun

Chicago citation style
Office for Emergency Management. War Production Board. 1/1942-11/3/1945. An idle machine is an empty gun. 1942-01-01/1943-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/534943. (Accessed September 18, 2018.)
APA citation style
Office for Emergency Management. War Production Board. 1/1942-11/3/1945, (1942-01-01/1943-12-31) An idle machine is an empty gun. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/534943
MLA citation style
Office for Emergency Management. War Production Board. 1/1942-11/3/1945. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/534943>.
Note: These citations are programmatically generated and may be incomplete.