APA (7th ed.) Citation

Obstfeld, M., & Krugman, P. R. (2009). International economics: Theory and policy. Pearson Hall.

Chicago Style (17th ed.) Citation

Obstfeld, Maurice, and Paul R. Krugman. International Economics: Theory and Policy. Pearson Hall, 2009.

MLA (8th ed.) Citation

Obstfeld, Maurice, and Paul R. Krugman. International Economics: Theory and Policy. Pearson Hall, 2009.

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