Cita APA (7a ed.)

Großbritannien Home Office Research and Planning Unit, Walmsley, R., & Evershed, S. (1991). Managing difficult prisoners: The Parkhurst Special Unit Home Office research study.

Cita Chicago Style (17a ed.)

Großbritannien Home Office Research and Planning Unit, Roy Walmsley, y Susan Evershed. "Managing Difficult Prisoners: The Parkhurst Special Unit." Home Office Research Study 1991.

Cita MLA (9a ed.)

Großbritannien Home Office Research and Planning Unit, et al. "Managing Difficult Prisoners: The Parkhurst Special Unit." Home Office Research Study, 1991.