APA (7th ed.) Citation

Krugman Paul R. & Obstfeld Maurice. (2003). International economics: Theory and policy (6th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Krugman Paul R. and Obstfeld Maurice. International Economics: Theory and Policy. 6th ed. Addison-Wesley, 2003.

MLA (8th ed.) Citation

Krugman Paul R. and Obstfeld Maurice. International Economics: Theory and Policy. 6th ed. Addison-Wesley, 2003.

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