Cita APA (7a ed.)

Wellford, C. F., Petrie, C. V., & Pepper, J. V. (2004). Firearms and Violence: A Critical Review. National Academies Press.

Cita Chicago Style (17a ed.)

Wellford, Charles F., Carol V. Petrie, y John V. Pepper. Firearms and Violence: A Critical Review. [Erscheinungsort nicht ermittelbar]: National Academies Press, 2004.

Cita MLA (9a ed.)

Wellford, Charles F., et al. Firearms and Violence: A Critical Review. National Academies Press, 2004.