APA (7th ed.) Citation

British Standards Institution. (1979). Methods for specifying and measuring the characteristics of sound system equipment. British Standards Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Methods for Specifying and Measuring the Characteristics of Sound System Equipment. London: British Standards Institution, 1979.

MLA (8th ed.) Citation

British Standards Institution. Methods for Specifying and Measuring the Characteristics of Sound System Equipment. British Standards Institution, 1979.