APA
Stephens, National Bureau of Economic Research & Yang D. Y. (2013). Compulsory education and the benefits of schooling. Cambridge: NBER.
Chicago
Stephens, National Bureau of Economic Research and Yang Dou Yan. 2013. Compulsory education and the benefits of schooling. Cambridge: NBER.
Harvard
Stephens, National Bureau of Economic Research and Yang D. Y. (2013). Compulsory education and the benefits of schooling. Cambridge: NBER.
MLA
Stephens, National Bureau of Economic Research and Yang Dou Yan. Compulsory education and the benefits of schooling. Cambridge: NBER. 2013.