Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Krugman, Paul R., Marc J. Melitz, y Maurice Obstfeld. International Economics: Theory and Policy. Global Edition, Eleventh edition. Harlow, England: Pearson, 2018.

Cita MLA (9a ed.)

Krugman, Paul R., et al. International Economics: Theory and Policy. Global Edition, Eleventh edition. Pearson, 2018.