APA (7th ed.) Citation

Krugman, P., & Wells, R. (2005). Microeconomics. Worth Publishers.

Chicago Style (17th ed.) Citation

Krugman, Paul, and Robin Wells. Microeconomics. New York: Worth Publishers, 2005.

MLA (8th ed.) Citation

Krugman, Paul, and Robin Wells. Microeconomics. Worth Publishers, 2005.