APA (7th ed.) Citation

Peterson, W. L. (1989). Principles of economics: Macro (7th ed.). Irwin.

Chicago Style (17th ed.) Citation

Peterson, Willis L. Principles of Economics: Macro. 7th ed. Homewood, Ill.: Irwin, 1989.

MLA (9th ed.) Citation

Peterson, Willis L. Principles of Economics: Macro. 7th ed. Irwin, 1989.

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