Cita APA (7th ed.)

Blackburn, R. R., & Gilbert, D. T. (1995). Photographic enforcement of traffic laws. National Academy Press.

Cita Chicago (17th ed.)

Blackburn, R. R., i Daniel T. Gilbert. Photographic Enforcement of Traffic Laws. Washington, D.C: National Academy Press, 1995.

Cita MLA (9th ed.)

Blackburn, R. R., i Daniel T. Gilbert. Photographic Enforcement of Traffic Laws. National Academy Press, 1995.