APA (7th ed.) Citation

Krugman, P. R. (1997). Development, geography, and economic theory. The MIT Press.

Chicago Style (17th ed.) Citation

Krugman, Paul R. Development, Geography, and Economic Theory. Cambridge, Mass.: The MIT Press, 1997.

MLA (9th ed.) Citation

Krugman, Paul R. Development, Geography, and Economic Theory. The MIT Press, 1997.