International economics :
theory & policy /
Paul R. Krugman, Princeton University, Maurice Obstfeld, University of California, Berkeley, Marc J. Melitz, Harvard University.

APA Citation

Krugman, P. R.., Melitz, M. J.., Obstfeld, M. (2018). International economics: theory & policy. Eleventh edition, Rental edition. New York, NY: Pearson.

MLA Citation

Krugman, Paul R., Marc J. Melitz, and Maurice Obstfeld. International Economics: Theory & Policy. Eleventh edition, Rental edition. New York, NY: Pearson, 2018.

Warning: These citations may not always be complete (especially for serials).