APA Citation

Case, K. E., Fair, R. C., & Oster, S. M. Principles of macroeconomics (Twelfth edition.).

Chicago Style Citation

Case, Karl E., Ray C. Fair, and Sharon M. Oster. Principles of Macroeconomics. Twelfth edition.

MLA Citation

Case, Karl E., Ray C. Fair, and Sharon M. Oster. Principles of Macroeconomics. Twelfth edition.

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