Cita APA (7a ed.)

Farrington, D., & Welsh, B. (2002). Effects of improved street lighting on crime: A systematic review Home Office research study.

Cita Chicago Style (17a ed.)

Farrington, David, y Brandon Welsh. "Effects of Improved Street Lighting on Crime: A Systematic Review." Home Office Research Study 2002.

Cita MLA (9a ed.)

Farrington, David, y Brandon Welsh. "Effects of Improved Street Lighting on Crime: A Systematic Review." Home Office Research Study, 2002.