APA (7th ed.) Citation

Frank, R. H., Bernanke, B., & Johnston, L. (2009). Principles of economics (4th ed.). McGraw-Hill/Irwin.

Chicago Style (17th ed.) Citation

Frank, Robert H., Ben Bernanke, and Louis Johnston. Principles of Economics. 4th ed. Boston: McGraw-Hill/Irwin, 2009.

MLA (9th ed.) Citation

Frank, Robert H., et al. Principles of Economics. 4th ed. McGraw-Hill/Irwin, 2009.

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