APA (7th ed.) Citation

Krugman, P. R., & Wells, R. (2014). Macroeconomics: In modules (Third edition.). Worth Publishers.

Chicago Style (17th ed.) Citation

Krugman, Paul R., and Robin Wells. Macroeconomics: In Modules. Third edition. New York, NY: Worth Publishers, 2014.

MLA (9th ed.) Citation

Krugman, Paul R., and Robin Wells. Macroeconomics: In Modules. Third edition. Worth Publishers, 2014.