APA (7th ed.) Citation

Krugman, P. R., Melitz, M., & Obstfeld, M. (2018). International trade: Theory & policy (Eleventh, Global edition.). Pearson.

Chicago Style (17th ed.) Citation

Krugman, Paul R., Marc Melitz, and Maurice Obstfeld. International Trade: Theory & Policy. Eleventh, Global edition. Harlow, England: Pearson, 2018.

MLA (8th ed.) Citation

Krugman, Paul R., et al. International Trade: Theory & Policy. Eleventh, Global edition. Pearson, 2018.