APA (7th ed.) Citation

United States. Division of Labor Standards. (1941). Apprenticeship in Wisconsin, 1940, Jan. 1940. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Division of Labor Standards. Apprenticeship in Wisconsin, 1940, Jan. 1940. [Washington]: [publisher not identified], 1941.

MLA (9th ed.) Citation

United States. Division of Labor Standards. Apprenticeship in Wisconsin, 1940, Jan. 1940. [publisher not identified], 1941.

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