APA (7th ed.) Citation

Feenstra, R., & Looi Kee, H. (2013). On the Measurement of Product Variety in Trade.

Chicago Style (17th ed.) Citation

Feenstra, Robert, and Hiau Looi Kee. On the Measurement of Product Variety in Trade. 2013.

MLA (8th ed.) Citation

Feenstra, Robert, and Hiau Looi Kee. On the Measurement of Product Variety in Trade. 2013.

Warning: These citations may not always be 100% accurate.