APA (7th ed.) Citation

Wallace, J., & Whitehead, C. (1989). Graffiti removal and control. CIRIA.

Chicago Style (17th ed.) Citation

Wallace, J., and C. Whitehead. Graffiti Removal and Control. Westminster, London: CIRIA, 1989.

MLA (9th ed.) Citation

Wallace, J., and C. Whitehead. Graffiti Removal and Control. CIRIA, 1989.

Warning: These citations may not always be 100% accurate.