APA (7th ed.) Citation

British Standards Institution. (1967). Flanged steel parallel slide valves for general purposes. British Standards Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Flanged Steel Parallel Slide Valves for General Purposes. London: British Standards Institution, 1967.

MLA (8th ed.) Citation

British Standards Institution. Flanged Steel Parallel Slide Valves for General Purposes. British Standards Institution, 1967.

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