Cita APA (7a ed.)

Tonry, M., & Tonry, M. H. (2014). Why crime rates fall and why they don't. Crime and justice.

Cita Chicago Style (17a ed.)

Tonry, Michael, y Michael H. Tonry. "Why Crime Rates Fall and Why They Don't." Crime and Justice 2014.

Cita MLA (8a ed.)

Tonry, Michael, y Michael H. Tonry. "Why Crime Rates Fall and Why They Don't." Crime and Justice, 2014.