United States. Bureau of Labor Statistics. (1943). A statistical summary of the Des Moines area, Polk County, Iowa: Statistical data on war and pre-war employment and industry for use by local groups formulating plans for the post-war period. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Labor Statistics. A Statistical Summary of the Des Moines Area, Polk County, Iowa: Statistical Data on War and Pre-war Employment and Industry for Use by Local Groups Formulating Plans for the Post-war Period. [Washington]: [s.n.], 1943.
MLA (9th ed.) CitationUnited States. Bureau of Labor Statistics. A Statistical Summary of the Des Moines Area, Polk County, Iowa: Statistical Data on War and Pre-war Employment and Industry for Use by Local Groups Formulating Plans for the Post-war Period. [s.n.], 1943.