United States. Government Printing Office. Office of the Public Printer. [Specimen book of types in Government Printing Office]. U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Government Printing Office. Office of the Public Printer. [Specimen Book of Types in Government Printing Office]. [Place of publication not identified]: U.S. Government Printing Office.
MLA (9th ed.) CitationUnited States. Government Printing Office. Office of the Public Printer. [Specimen Book of Types in Government Printing Office]. U.S. Government Printing Office.
Warning: These citations may not always be 100% accurate.