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