APA
Voigtlander N., National Bureau of Economic Research & Voth H. J. (2013). Married to intolerance. Cambridge: NBER.
Chicago
Voigtlander Nico, National Bureau of Economic Research and Voth Hans Joachim. 2013. Married to intolerance. Cambridge: NBER.
Harvard
Voigtlander N., National Bureau of Economic Research and Voth H. J. (2013). Married to intolerance. Cambridge: NBER.
MLA
Voigtlander Nico, National Bureau of Economic Research and Voth Hans Joachim. Married to intolerance. Cambridge: NBER. 2013.