APA (7e ed.) Bronvermelding

Ludwig, J., & Cook, P. J. (2003). Evaluating gun policy: Effects on crime and violence. Brookings Institution Press.

Chicago (17e ed.) Bronvermelding

Ludwig, Jens, en Philip J. Cook. Evaluating Gun Policy: Effects on Crime and Violence. Washington, D.C.: Brookings Institution Press, 2003.

MLA (9e ed.) Bronvermelding

Ludwig, Jens, en Philip J. Cook. Evaluating Gun Policy: Effects on Crime and Violence. Brookings Institution Press, 2003.