APA (7th ed.) Citation

Feenstra, R. C., & Kee, H. L. (2004). Export variety and country productivity. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Feenstra, Robert C., and Hiau Looi Kee. Export Variety and Country Productivity. Cambridge, Mass: National Bureau of Economic Research, 2004.

MLA (9th ed.) Citation

Feenstra, Robert C., and Hiau Looi Kee. Export Variety and Country Productivity. National Bureau of Economic Research, 2004.