APA-Zitierstil (7. Ausg.)

Williams, K. R., Guerra, N. G., & Elliott, D. S. (1997). Human development and violence prevention: A focus on youth. Center for the Study and Prevention of Violence, Institute of Behavioral Science, University of Colorado, Boulder.

Chicago-Zitierstil (17. Ausg.)

Williams, Kirk R., Nancy G. Guerra, und Delbert S. Elliott. Human Development and Violence Prevention: A Focus on Youth. Boulder, Colo: Center for the Study and Prevention of Violence, Institute of Behavioral Science, University of Colorado, Boulder, 1997.

MLA-Zitierstil (8. Ausg.)

Williams, Kirk R., et al. Human Development and Violence Prevention: A Focus on Youth. Center for the Study and Prevention of Violence, Institute of Behavioral Science, University of Colorado, Boulder, 1997.