Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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