Cita APA (7a ed.)

Petersilia, J., & Tonry, M. (1999). American Prisons at the Beginning of the Twenty-First Century.

Cita Chicago Style (17a ed.)

Petersilia, Joan, y Michael Tonry. American Prisons at the Beginning of the Twenty-First Century. 1999.

Cita MLA (9a ed.)

Petersilia, Joan, y Michael Tonry. American Prisons at the Beginning of the Twenty-First Century. 1999.