APA (7th ed.) Citation
Krugman, P. R., & Obstfeld, . M. (2003). International economics: Theory and policy (Sixth ,ed.). Addison Wesley.
Chicago Style (17th ed.) Citation
Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. Sixth ,ed. Boston San Francisco New York: Addison Wesley, 2003.
MLA (9th ed.) Citation
Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. Sixth ,ed. Addison Wesley, 2003.
Warning: These citations may not always be 100% accurate.