APA (7th ed.) Citation

United States. Department of Labor. (1940). Workers and National Defense. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Labor. Workers and National Defense. [Washington]: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. Department of Labor. Workers and National Defense. [publisher not identified], 1940.

Warning: These citations may not always be 100% accurate.