APA (7th ed.) Citation

Krugman, P. R., & Wells, R. (2009). Microeconomics (2nd ed.). Worth Publishers.

Chicago Style (17th ed.) Citation

Krugman, Paul R., and Robin Wells. Microeconomics. 2nd ed. New York, NY: Worth Publishers, 2009.

MLA (8th ed.) Citation

Krugman, Paul R., and Robin Wells. Microeconomics. 2nd ed. Worth Publishers, 2009.