APA (7th ed.) Citation

Krugman, P. R., & Wells, R. (2019). Essentials of economics (5th edition.). Worth Publishers.

Chicago Style (17th ed.) Citation

Krugman, Paul R., and Robin Wells. Essentials of Economics. 5th edition. New York: Worth Publishers, 2019.

MLA (9th ed.) Citation

Krugman, Paul R., and Robin Wells. Essentials of Economics. 5th edition. Worth Publishers, 2019.

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