Cita APA (7a ed.)

Butts, J. A., & Evans, D. N. (2014). The second American crime drop: Trends in juvenile and youth violence. Oxford University Press.

Cita Chicago Style (17a ed.)

Butts, Jeffrey A., y Douglas N. Evans. The Second American Crime Drop: Trends in Juvenile and Youth Violence. Oxford University Press, 2014.

Cita MLA (9a ed.)

Butts, Jeffrey A., y Douglas N. Evans. The Second American Crime Drop: Trends in Juvenile and Youth Violence. Oxford University Press, 2014.