APA (7th ed.) Citation

Great Britain. Dept. of the Environment & Great Britain. Welsh Office. (1972). House improvement and conversion. H.M. Stationery Off..

Chicago Style (17th ed.) Citation

Great Britain. Dept. of the Environment and Great Britain. Welsh Office. House Improvement and Conversion. London: H.M. Stationery Off., 1972.

MLA (8th ed.) Citation

Great Britain. Dept. of the Environment and Great Britain. Welsh Office. House Improvement and Conversion. H.M. Stationery Off., 1972.