APA (7th ed.) Citation

United States. Division of Labor Standards. (1940). Labor Standards, Vol. 3, No. 2. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Division of Labor Standards. Labor Standards, Vol. 3, No. 2. [Washington]: [publisher not identified], 1940.

MLA (9th ed.) Citation

United States. Division of Labor Standards. Labor Standards, Vol. 3, No. 2. [publisher not identified], 1940.