Cita APA (7th ed.)
Webster, D. W., & Vernick, J. S. (2014). Updated evidence and policy developments on reducing gun violence in America. Johns Hopkins University Press.
Cita Chicago (17th ed.)
Webster, Daniel W., i Jon S. Vernick. Updated Evidence and Policy Developments on Reducing Gun Violence in America. Baltimore: Johns Hopkins University Press, 2014.
Cita MLA (9th ed.)
Webster, Daniel W., i Jon S. Vernick. Updated Evidence and Policy Developments on Reducing Gun Violence in America. Johns Hopkins University Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.