Franklin

MLA

How Do Patent Laws Influence Innovation? Evidence From Nineteenth-century World Fairs. Cambridge, Mass: National Bureau of Economic Research, .

APA

How Do Patent Laws Influence Innovation? Evidence from Nineteenth-Century World Fairs. Cambridge, Mass: National Bureau of Economic Research.

Chicago

How Do Patent Laws Influence Innovation? Evidence From Nineteenth-Century World Fairs. Cambridge, Mass: National Bureau of Economic Research.