APA (7th ed.) Citation

United States. Women's Bureau. (1934). Women at work, a century of industrial change. [s.n.].

Chicago Style (17th ed.) Citation

United States. Women's Bureau. Women at Work, a Century of Industrial Change. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Women's Bureau. Women at Work, a Century of Industrial Change. [s.n.], 1934.