APA (7th ed.) Citation

Peterson, W. L. (1986). Principles of economics: Micro (6th ed.). Irwin.

Chicago Style (17th ed.) Citation

Peterson, Willis L. Principles of Economics: Micro. 6th ed. Homewood, Ill: Irwin, 1986.

MLA (9th ed.) Citation

Peterson, Willis L. Principles of Economics: Micro. 6th ed. Irwin, 1986.