APA (7th ed.) Citation

Case, K. E., Oster, S. E., & Fair, R. C. (2017). Principles of economics (Twelfth edition.). Pearson Education Limited.

Chicago Style (17th ed.) Citation

Case, Karl E., Sharon E. Oster, and Ray C.,Seauthor Fair. Principles of Economics. Twelfth edition. Boston: Pearson Education Limited, 2017.

MLA (9th ed.) Citation

Case, Karl E., et al. Principles of Economics. Twelfth edition. Pearson Education Limited, 2017.