APA (7th ed.) Citation

Great Britain. Dept. of the Environment & Great Britain. Welsh Office. (1992). The Buildings Regulations 1991 (1992 ed., second impression (with amendments) 1992.). H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Dept. of the Environment and Great Britain. Welsh Office. The Buildings Regulations 1991. 1992 ed., second impression (with amendments) 1992. London: H.M.S.O., 1992.

MLA (8th ed.) Citation

Great Britain. Dept. of the Environment and Great Britain. Welsh Office. The Buildings Regulations 1991. 1992 ed., second impression (with amendments) 1992. H.M.S.O., 1992.