APA Edition Citation

Krugman(Paul.R),Obstfed(Maurice) etal. (2018). International trade theory and policy (11 Edition.).

Chicago Edition Citation

Krugman(Paul.R),Obstfed(Maurice) etal. International Trade Theory and Policy. 11 Edition. Pearson , England, 2018.

MLA Edition Citation

Krugman(Paul.R),Obstfed(Maurice) etal. International Trade Theory and Policy. 11 Edition. 2018.

Warning: These citations may not always be 100% accurate.