APA (7th ed.) Citation

Krugman, P. R. (1991). Geography and trade. Leuven University Press.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Geography and Trade. Leuven, Belgium: Leuven University Press, 1991.

MLA (9th ed.) Citation

Krugman, Paul R. Geography and Trade. Leuven University Press, 1991.

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