Cullen, E. (2003). Murderers and life imprisonment: Containment, treatment, safety and risk. Waterside Press.
Chicago-Zitierstil (17. Ausg.)Cullen, Eric. Murderers and Life Imprisonment: Containment, Treatment, Safety and Risk. Winchester: Waterside Press, 2003.
MLA-Zitierstil (9. Ausg.)Cullen, Eric. Murderers and Life Imprisonment: Containment, Treatment, Safety and Risk. Waterside Press, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.