Cita APA (7a ed.)

Philadelphia Intensive After Care Probation Evaluation Project & Sontheimer, H. G. (1990). Philadelphia Intensive Aftercare Probation Evaluation Project. [Pennsylvania Commission on Crime and Delinquency].

Cita Chicago Style (17a ed.)

Philadelphia Intensive After Care Probation Evaluation Project y Henry G. Sontheimer. Philadelphia Intensive Aftercare Probation Evaluation Project. [Harrisburgh, Pa.]: [Pennsylvania Commission on Crime and Delinquency], 1990.

Cita MLA (9a ed.)

Philadelphia Intensive After Care Probation Evaluation Project y Henry G. Sontheimer. Philadelphia Intensive Aftercare Probation Evaluation Project. [Pennsylvania Commission on Crime and Delinquency], 1990.