Cita APA (7a ed.)

Gill, M. L., & Spriggs, A. (2005). Assessing the impact of CCTV. Home Office research study.

Cita Chicago Style (17a ed.)

Gill, Martin L., y Angela Spriggs. "Assessing the Impact of CCTV." Home Office Research Study 2005.

Cita MLA (8a ed.)

Gill, Martin L., y Angela Spriggs. "Assessing the Impact of CCTV." Home Office Research Study, 2005.