APA (7th ed.) Citation

British Standards Institution. (1977). Specification for controlgear for voltages up to and including 1000 V a.c. and 1200 V d.c. British Standards Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Specification for Controlgear for Voltages Up to and Including 1000 V A.c. and 1200 V D.c. London: British Standards Institution, 1977.

MLA (8th ed.) Citation

British Standards Institution. Specification for Controlgear for Voltages Up to and Including 1000 V A.c. and 1200 V D.c. British Standards Institution, 1977.