APA Citation

Krugman, & Obstfeld. (1997). International economics: Theory and policy (4th ed.). Massachusetts: Addison Wesley.

Chicago Style Citation

Krugman, and Obstfeld. International Economics: Theory and Policy. 4th ed. Massachusetts: Addison Wesley, 1997.

MLA Citation

Krugman, and Obstfeld. International Economics: Theory and Policy. 4th ed. Massachusetts: Addison Wesley, 1997.

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