Cita APA (7th ed.)

Whitford, M. J. (1992). Getting rid of graffiti: A practical guide to graffiti removal and anti-graffiti protection. E & F N Spon.

Cita Chicago (17th ed.)

Whitford, M. J. Getting Rid of Graffiti: A Practical Guide to Graffiti Removal and Anti-graffiti Protection. London: E & F N Spon, 1992.

Cita MLA (9th ed.)

Whitford, M. J. Getting Rid of Graffiti: A Practical Guide to Graffiti Removal and Anti-graffiti Protection. E & F N Spon, 1992.