APA (7th ed.) Citation

Helliwell, J. F. (1998). How much do national borders matter? Brookings Inst. Press.

Chicago Style (17th ed.) Citation

Helliwell, John F. How Much Do National Borders Matter? Washington, DC: Brookings Inst. Press, 1998.

MLA (9th ed.) Citation

Helliwell, John F. How Much Do National Borders Matter? Brookings Inst. Press, 1998.

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