APA (7th ed.) Citation

United States. National Labor Relations Board. (1939). Rules and regulations, series 2, and national labor relations act (49 Stat. 449), effective July 14, 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. National Labor Relations Board. Rules and Regulations, Series 2, and National Labor Relations Act (49 Stat. 449), Effective July 14, 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. National Labor Relations Board. Rules and Regulations, Series 2, and National Labor Relations Act (49 Stat. 449), Effective July 14, 1939. [s.n.], 1939.