Snell, T. L. (2011). Capital Punishment, 2010. United States Department of Justice, Bureau of Justice Statistics.
Chicago-Zitierstil (17. Ausg.)Snell, Tracy L. Capital Punishment, 2010. United States Department of Justice, Bureau of Justice Statistics, 2011.
MLA-Zitierstil (9. Ausg.)Snell, Tracy L. Capital Punishment, 2010. United States Department of Justice, Bureau of Justice Statistics, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.