Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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