APA (7th ed.) Citation

Case, K. E., Fair, R. C., & Oster, S. M. (2014). Principles of economics (Eleventh edition.). Pearson.

Chicago Style (17th ed.) Citation

Case, Karl E., Ray C. Fair, and Sharon M. Oster. Principles of Economics. Eleventh edition. Boston, Massachusetts: Pearson, 2014.

MLA (9th ed.) Citation

Case, Karl E., et al. Principles of Economics. Eleventh edition. Pearson, 2014.