Cook, P. J. (1998). The Epidemic of Youth Gun Violence. In Perspectives on Crime and Violence:1997-1998 Lecture Series (pp. 107–125). Washington, DC: National Institute of Justice.

Cook, P. J. “The Epidemic of Youth Gun Violence.” In Perspectives on Crime and Violence:1997-1998 Lecture Series, 107–25. Washington, DC: National Institute of Justice, 1998.

Cook PJ. The Epidemic of Youth Gun Violence. In: Perspectives on Crime and Violence:1997-1998 Lecture Series. Washington, DC: National Institute of Justice; 1998. p. 107–25.

Cook, P. J. “The Epidemic of Youth Gun Violence.” Perspectives on Crime and Violence:1997-1998 Lecture Series, National Institute of Justice, 1998, pp. 107–25.

Cook PJ. The Epidemic of Youth Gun Violence. Perspectives on Crime and Violence:1997-1998 Lecture Series. Washington, DC: National Institute of Justice; 1998. p. 107–125.