Cita APA (7a ed.)

Hawkins, K., & Howard League for Penal Reform. (1977). The parole decision: A guide comp. from official sources. Barry Rose.

Cita Chicago Style (17a ed.)

Hawkins, Keith, y Howard League for Penal Reform. The Parole Decision: A Guide Comp. from Official Sources. London: Barry Rose, 1977.

Cita MLA (8a ed.)

Hawkins, Keith, y Howard League for Penal Reform. The Parole Decision: A Guide Comp. from Official Sources. Barry Rose, 1977.