APA (7th ed.) Citation

Berthelon, M., & Freund, C. (2013). On the Conservation of Distance in International Trade. World Bank, Washington, DC.

Chicago Style (17th ed.) Citation

Berthelon, Matias, and Caroline Freund. On the Conservation of Distance in International Trade. World Bank, Washington, DC, 2013.

MLA (8th ed.) Citation

Berthelon, Matias, and Caroline Freund. On the Conservation of Distance in International Trade. World Bank, Washington, DC, 2013.

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