United States. Bureau of Labor Statistics & ProQuest (Firm). (1939). Union wages, hours, and working conditions in the printing trades June 1, 1939. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Union Wages, Hours, and Working Conditions in the Printing Trades June 1, 1939. Washington: [publisher not identified], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics and ProQuest (Firm). Union Wages, Hours, and Working Conditions in the Printing Trades June 1, 1939. [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.