APA (7th ed.) Citation

Lerner, J., & Zhu, F. (2005). What is the impact of software patent shifts?: Evidence from Lotus v. Borland. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Lerner, Joshua, and Feng Zhu. What Is the Impact of Software Patent Shifts?: Evidence from Lotus V. Borland. Cambridge, Mass: National Bureau of Economic Research, 2005.

MLA (9th ed.) Citation

Lerner, Joshua, and Feng Zhu. What Is the Impact of Software Patent Shifts?: Evidence from Lotus V. Borland. National Bureau of Economic Research, 2005.