Cita APA (7a ed.)

Cook, P. J., & Laub, J. H. (2001). After the Epidemic: Recent Trends in Youth Violence in the United States. National Bureau of Economic Research. https://doi.org/10.3386/w8571

Cita Chicago Style (17a ed.)

Cook, Philip J., y John H. Laub. After the Epidemic: Recent Trends in Youth Violence in the United States. National Bureau of Economic Research, 2001. https://doi.org/10.3386/w8571.

Cita MLA (9a ed.)

Cook, Philip J., y John H. Laub. After the Epidemic: Recent Trends in Youth Violence in the United States. National Bureau of Economic Research, 2001. https://doi.org/10.3386/w8571.