APA način citiranja (7. izdanje)

Krugman, P. R., & Obstfeld, M. (1994). International economics: Theory and policy (3rd.ed.). Harper Collins.

Čikaški stil citiranja (17. izdanje)

Krugman, Paul R., i Maurice Obstfeld. International Economics: Theory and Policy. 3rd.ed. Harper: Harper Collins, 1994.

MLA način citiranja (9. izdanje)

Krugman, Paul R., i Maurice Obstfeld. International Economics: Theory and Policy. 3rd.ed. Harper Collins, 1994.