(1930). Washing, cleaning, and polishing materials. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationWashing, Cleaning, and Polishing Materials. [Washington?]: U.S. Government Printing Office, 1930.
MLA (9th ed.) CitationWashing, Cleaning, and Polishing Materials. U.S. Government Printing Office, 1930.
Warning: These citations may not always be 100% accurate.