Cita APA (7a ed.)

Ayres, I., & Donohue, J. J. (2002). Shooting Down the More Guns, Less Crime Hypothesis. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Ayres, Ian, y John J. Donohue. Shooting Down the More Guns, Less Crime Hypothesis. National Bureau of Economic Research, 2002.

Cita MLA (9a ed.)

Ayres, Ian, y John J. Donohue. Shooting Down the More Guns, Less Crime Hypothesis. National Bureau of Economic Research, 2002.