APA (7th ed.) Citation

Krugman, P. R., & Obstfeld, M. (2009). International economics: Theory and policy (8th International edition.). Pearson Education.

Chicago Style (17th ed.) Citation

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 8th International edition. London: Pearson Education, 2009.

MLA (9th ed.) Citation

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 8th International edition. Pearson Education, 2009.

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