Krugman, P. R. (1990). Rethinking international trade ([1st ed.], 2nd printing.). MIT.
Chicago Style (17th ed.) CitationKrugman, Paul R. Rethinking International Trade. [1st ed.], 2nd printing. Cambridge (Massachusetts) [etc.]: MIT, 1990.
MLA (9th ed.) CitationKrugman, Paul R. Rethinking International Trade. [1st ed.], 2nd printing. MIT, 1990.
Warning: These citations may not always be 100% accurate.