APA (7th ed.) Citation

Peterson, W. L. (1991). Principles of economics (8th ed.). Irwin.

Chicago Style (17th ed.) Citation

Peterson, Willis L. Principles of Economics. 8th ed. Homewood, Ill.: Irwin, 1991.

MLA (9th ed.) Citation

Peterson, Willis L. Principles of Economics. 8th ed. Irwin, 1991.

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