APA
Higham K. W., National Bureau of Economic Research, Jaffe A. B. & Rassenfosse G. d. (2020). Patent quality. Cambridge: NBER.
Chicago
Higham Kyle W, National Bureau of Economic Research, Jaffe Adam B and Rassenfosse Gaétan de. 2020. Patent quality. Cambridge: NBER.
Harvard
Higham K. W., National Bureau of Economic Research, Jaffe A. B. and Rassenfosse G. d. (2020). Patent quality. Cambridge: NBER.
MLA
Higham Kyle W, National Bureau of Economic Research, Jaffe Adam B and Rassenfosse Gaétan de. Patent quality. Cambridge: NBER. 2020.