APA (7th ed.) Citation

United States. Bureau of Standards. (1939). Building materials and structures: Sound insulation of wall and floor constructions. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Standards. Building Materials and Structures: Sound Insulation of Wall and Floor Constructions. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Bureau of Standards. Building Materials and Structures: Sound Insulation of Wall and Floor Constructions. [s.n.], 1939.