Cita APA (7a ed.)

Pennell, S., & Curtis, C. (1986). A systemwide approach to delinquency prevention (Rev.). Association of Governments.

Cita Chicago Style (17a ed.)

Pennell, Susan, y Christine Curtis. A Systemwide Approach to Delinquency Prevention. Rev. San Diego, Calif: Association of Governments, 1986.

Cita MLA (9a ed.)

Pennell, Susan, y Christine Curtis. A Systemwide Approach to Delinquency Prevention. Rev. Association of Governments, 1986.