Cita APA (7a ed.)

Gottfredson, D. C., & Gottfredson, G. D. (2002). Quality of school-based prevention programs: Results from a national survey. Journal of research in crime and delinquency, 39(1), 3-35.

Cita Chicago Style (17a ed.)

Gottfredson, Denise C., y Gary D. Gottfredson. "Quality of School-based Prevention Programs: Results from a National Survey." Journal of Research in Crime and Delinquency 39, no. 1 (2002): 3-35.

Cita MLA (9a ed.)

Gottfredson, Denise C., y Gary D. Gottfredson. "Quality of School-based Prevention Programs: Results from a National Survey." Journal of Research in Crime and Delinquency, vol. 39, no. 1, 2002, pp. 3-35.