APA (7th ed.) Citation

British Standards Institution. (1971). Methods of test for silencers for air distribution systems. B.S.I..

Chicago Style (17th ed.) Citation

British Standards Institution. Methods of Test for Silencers for Air Distribution Systems. London: B.S.I., 1971.

MLA (8th ed.) Citation

British Standards Institution. Methods of Test for Silencers for Air Distribution Systems. B.S.I., 1971.

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