Cita APA (7a ed.)

Watkins, C. (2012). Guns and crime. Greenhaven Press.

Cita Chicago Style (17a ed.)

Watkins, Christine. Guns and Crime. Farmington Hill, Mich: Greenhaven Press, 2012.

Cita MLA (8a ed.)

Watkins, Christine. Guns and Crime. Greenhaven Press, 2012.