Cita APA (7a ed.)

Loftin, C., Wiersema, B., & McDowall, D. (1992). Comparative Study of the Preventive Effects of Mandatory Sentencing Laws for Gun Crimes.

Cita Chicago Style (17a ed.)

Loftin, Colin, Brian Wiersema, y David McDowall. Comparative Study of the Preventive Effects of Mandatory Sentencing Laws for Gun Crimes. 1992.

Cita MLA (9a ed.)

Loftin, Colin, et al. Comparative Study of the Preventive Effects of Mandatory Sentencing Laws for Gun Crimes. 1992.