APA (7th ed.) Citation

British Standards Institution. (1976). Universal decimal classification: UDC 71 Physical planning (English full ed.). British Standards Institution.

Chicago Style (17th ed.) Citation

British Standards Institution. Universal Decimal Classification: UDC 71 Physical Planning. English full ed. London: British Standards Institution, 1976.

MLA (8th ed.) Citation

British Standards Institution. Universal Decimal Classification: UDC 71 Physical Planning. English full ed. British Standards Institution, 1976.