APA (7th ed.) Citation

Peterson, W. L. (1971). Principles of economics: Macro. R.D. Irwin.

Chicago Style (17th ed.) Citation

Peterson, Willis L. Principles of Economics: Macro. Homewood, Ill.: R.D. Irwin, 1971.

MLA (9th ed.) Citation

Peterson, Willis L. Principles of Economics: Macro. R.D. Irwin, 1971.