APA (7th ed.) Citation

Great Britain. Ministry of Health. (1962). Colour code of flexible cables and cords. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Ministry of Health. Colour Code of Flexible Cables and Cords. London: H.M.S.O., 1962.

MLA (9th ed.) Citation

Great Britain. Ministry of Health. Colour Code of Flexible Cables and Cords. H.M.S.O., 1962.