APA (7th ed.) Citation

(1951). Fifty years of British standards, 1901-1951. B.S.I..

Chicago Style (17th ed.) Citation

Fifty Years of British Standards, 1901-1951. B.S.I., 1951.

MLA (9th ed.) Citation

Fifty Years of British Standards, 1901-1951. B.S.I., 1951.

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