Cita APA (7a ed.)

.Dryfoos, J. G. (1990). Adolescents at risk: Prevalence and prevention. Oxford University Press.

Cita Chicago Style (17a ed.)

.Dryfoos, Joy G. Adolescents at Risk: Prevalence and Prevention. New York: Oxford University Press, 1990.

Cita MLA (9a ed.)

.Dryfoos, Joy G. Adolescents at Risk: Prevalence and Prevention. Oxford University Press, 1990.