APA Edition Citation

Peterson, W. L. (1990). Principles of economics: Macro (7th ed.). Universasl book stall.

Chicago Edition Citation

Peterson, Willis L. Principles of Economics: Macro. 7th ed. New Delhi: Universasl book stall, 1990.

MLA Edition Citation

Peterson, Willis L. Principles of Economics: Macro. 7th ed. Universasl book stall, 1990.

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