APA
Hoekstra M., National Bureau of Economic Research & Koppa V. (2019). Strict voter identification laws, turnout, and election outcomes. Cambridge: NBER.
Chicago
Hoekstra Mark, National Bureau of Economic Research and Koppa Vijetha. 2019. Strict voter identification laws, turnout, and election outcomes. Cambridge: NBER.
Harvard
Hoekstra M., National Bureau of Economic Research and Koppa V. (2019). Strict voter identification laws, turnout, and election outcomes. Cambridge: NBER.
MLA
Hoekstra Mark, National Bureau of Economic Research and Koppa Vijetha. Strict voter identification laws, turnout, and election outcomes. Cambridge: NBER. 2019.