APA (7th ed.) Citation

Krugman, P. R., & Obstfeld, M. (2000). International economics: Theory and policy (5th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 5th ed. Reading: Addison-Wesley, 2000.

MLA (9th ed.) Citation

Krugman, Paul R., and Maurice Obstfeld. International Economics: Theory and Policy. 5th ed. Addison-Wesley, 2000.