APA (7th ed.) Citation

Donohue, J. J., & Levitt, S. D. (2019). The Impact of Legalized Abortion on Crime over the Last Two Decades. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Donohue, John J., and Steven D. Levitt. The Impact of Legalized Abortion on Crime over the Last Two Decades. Cambridge, MA: National Bureau of Economic Research, 2019.

MLA (9th ed.) Citation

Donohue, John J., and Steven D. Levitt. The Impact of Legalized Abortion on Crime over the Last Two Decades. National Bureau of Economic Research, 2019.

Warning: These citations may not always be 100% accurate.