APA Style

Krugman, Paul R., Obstfeld, Maurice. (1997). INTERNATIONAL ECONOMICS: THEORY & POLICY, FOURTH EDITION (4th). Boston: Addison Wesley Longman, Inc..

Chicago Style

Krugman, Paul R., Obstfeld, Maurice. INTERNATIONAL ECONOMICS: THEORY & POLICY, FOURTH EDITION. 4th Boston: Addison Wesley Longman, Inc., 1997. Text.

MLA Style

Krugman, Paul R., Obstfeld, Maurice. INTERNATIONAL ECONOMICS: THEORY & POLICY, FOURTH EDITION. 4th Boston: Addison Wesley Longman, Inc., 1997. Text.

Turabian Style

Krugman, Paul R., Obstfeld, Maurice. INTERNATIONAL ECONOMICS: THEORY & POLICY, FOURTH EDITION. 4th Boston: Addison Wesley Longman, Inc., 1997. Print.