Cita APA (7a ed.)

Celnick, A. (1976). A study of the Sheffield Impact Unit. South Yorkshire Probation and After-Care Service Research Unit.

Cita Chicago Style (17a ed.)

Celnick, Anne. A Study of the Sheffield Impact Unit. Sheffield: South Yorkshire Probation and After-Care Service Research Unit, 1976.

Cita MLA (8a ed.)

Celnick, Anne. A Study of the Sheffield Impact Unit. South Yorkshire Probation and After-Care Service Research Unit, 1976.