O'Sullivan, A., Sheffrin, S. M., & Perez, S. J. (2017). Macroeconomics: Principles, applications, and tools (Ninth edition.). Pearson Education, Inc.
Chicago Style (17th ed.) CitationO'Sullivan, Arthur, Steven M. Sheffrin, and Stephen J. Perez. Macroeconomics: Principles, Applications, and Tools. Ninth edition. Boston: Pearson Education, Inc, 2017.
MLA (9th ed.) CitationO'Sullivan, Arthur, et al. Macroeconomics: Principles, Applications, and Tools. Ninth edition. Pearson Education, Inc, 2017.
Warning: These citations may not always be 100% accurate.