United States. Bureau of Labor Statistics. Employment and earnings, States and areas, 1939-78: Dept. of Labor, Bureau of Labor Statistics.
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics. Employment and Earnings, States and Areas, 1939-78: Dept. of Labor, Bureau of Labor Statistics.
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics. Employment and Earnings, States and Areas, 1939-78: Dept. of Labor, Bureau of Labor Statistics.
Warning: These citations may not always be 100% accurate.