United States. National Bureau of Standards. (1930). Copper electrotyping. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. National Bureau of Standards. Copper Electrotyping. Washington: U.S. Government Printing Office, 1930.
MLA (9th ed.) CitationUnited States. National Bureau of Standards. Copper Electrotyping. U.S. Government Printing Office, 1930.
Warning: These citations may not always be 100% accurate.