Cita APA (7a ed.)

Liddle, A. M., & Gelsthorpe, L. (1994). Crime prevention and inter-agency co-operation Crime Prevention Unit series.

Cita Chicago Style (17a ed.)

Liddle, A. M., y Loraine Gelsthorpe. "Crime Prevention and Inter-agency Co-operation." Crime Prevention Unit Series 1994.

Cita MLA (8a ed.)

Liddle, A. M., y Loraine Gelsthorpe. "Crime Prevention and Inter-agency Co-operation." Crime Prevention Unit Series, 1994.