Cita APA (7a ed.)

Joyce, T. J. (2006). Further tests of abortion and crime: A response to Donohue and Levitt (2001, 2004, 2006). National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Joyce, Theodore J. Further Tests of Abortion and Crime: A Response to Donohue and Levitt (2001, 2004, 2006). National Bureau of Economic Research, 2006.

Cita MLA (9a ed.)

Joyce, Theodore J. Further Tests of Abortion and Crime: A Response to Donohue and Levitt (2001, 2004, 2006). National Bureau of Economic Research, 2006.

Precaución: Estas citas no son 100% exactas.