Cita APA (7a ed.)

Krugman, P. R. 1. a., Obstfeld, M. a., & Melitz, M. J. a. (2023). International economics: Theory and policy (12th edition, global edition.). Pearson.

Cita Chicago Style (17a ed.)

Krugman, Paul R. 1953- autor, Maurice autor Obstfeld, y Marc J. autor Melitz. International Economics: Theory and Policy. 12th edition, global edition. Harlow, England: Pearson, 2023.

Cita MLA (9a ed.)

Krugman, Paul R. 1953- autor, et al. International Economics: Theory and Policy. 12th edition, global edition. Pearson, 2023.