Cita APA (7a ed.)

Hall, B. H., Jaffe, A. B., & Trajtenberg, M. (2001). The NBER patent citations data file: Lessons, insights and methodological tools. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Hall, Bronwyn H., Adam B. Jaffe, y Manuel Trajtenberg. The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools. Cambridge, MA: National Bureau of Economic Research, 2001.

Cita MLA (9a ed.)

Hall, Bronwyn H., et al. The NBER Patent Citations Data File: Lessons, Insights and Methodological Tools. National Bureau of Economic Research, 2001.