Cita APA (7a ed.)

Roth, J. A., & Koper, C. S. (1999). Impacts of the 1994 assault weapons ban: 1994 - 96. US Department of Justice, Office of Justice Programs, National Institute of Justice.

Cita Chicago Style (17a ed.)

Roth, Jeffrey A., y Christopher Sean Koper. Impacts of the 1994 Assault Weapons Ban: 1994 - 96. Washington, DC: US Department of Justice, Office of Justice Programs, National Institute of Justice, 1999.

Cita MLA (8a ed.)

Roth, Jeffrey A., y Christopher Sean Koper. Impacts of the 1994 Assault Weapons Ban: 1994 - 96. US Department of Justice, Office of Justice Programs, National Institute of Justice, 1999.