APA (7th ed.) Citation

Peterson, W. L. (1991). Principles of economics: Micro. Irwin.

Chicago Style (17th ed.) Citation

Peterson, Willis L. Principles of Economics: Micro. Homewood, Il.: Irwin, 1991.

MLA (9th ed.) Citation

Peterson, Willis L. Principles of Economics: Micro. Irwin, 1991.