APA (7th ed.) Citation

The Acoustical Materials Association. (1957). Sound absorption coefficient of architectural acoustical material.

Chicago Style (17th ed.) Citation

The Acoustical Materials Association. Sound Absorption Coefficient of Architectural Acoustical Material. [New York, 1957.

MLA (9th ed.) Citation

The Acoustical Materials Association. Sound Absorption Coefficient of Architectural Acoustical Material. 1957.

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