Whyte, W. S., & Powell-Smith, V. (1986). Whyte & Powell-Smith's the building regulations : explained & illustrated: Explained & illustrated (7th ed.). Collins.
Chicago Style (17th ed.) CitationWhyte, W. S., and Vincent Powell-Smith. Whyte & Powell-Smith's the Building Regulations : Explained & Illustrated: Explained & Illustrated. 7th ed. London: Collins, 1986.
MLA (9th ed.) CitationWhyte, W. S., and Vincent Powell-Smith. Whyte & Powell-Smith's the Building Regulations : Explained & Illustrated: Explained & Illustrated. 7th ed. Collins, 1986.
Warning: These citations may not always be 100% accurate.