Cita APA (7th ed.)

Lerner, J. (1999). 150 years of patent office practice. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Lerner, Josh. 150 Years of Patent Office Practice. Cambridge: National Bureau of Economic Research, 1999.

Cita MLA (9th ed.)

Lerner, Josh. 150 Years of Patent Office Practice. National Bureau of Economic Research, 1999.