APA (7th ed.) Citation

(1938). United States Department of Labor. Twenty-five years of servce. 1913-1938. Government Printing Office.

Chicago Style (17th ed.) Citation

United States Department of Labor. Twenty-five Years of Servce. 1913-1938. Government Printing Office, 1938.

MLA (8th ed.) Citation

United States Department of Labor. Twenty-five Years of Servce. 1913-1938. Government Printing Office, 1938.

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