APA (7th ed.) Citation

Great Britain. Welsh Office & Great Britain. Ministry of Housing and Local Government. (1969). The bacteriological examination of water supplies (4th ed.). H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Welsh Office and Great Britain. Ministry of Housing and Local Government. The Bacteriological Examination of Water Supplies. 4th ed. London: H.M.S.O., 1969.

MLA (9th ed.) Citation

Great Britain. Welsh Office and Great Britain. Ministry of Housing and Local Government. The Bacteriological Examination of Water Supplies. 4th ed. H.M.S.O., 1969.