APA (7th ed.) Citation

Walton, G. M., & Wykoff, F. C. (2001). Understanding economics today (7th ed.). McGraw-Hill/Irwin.

Chicago Style (17th ed.) Citation

Walton, Gary M., and Frank C. Wykoff. Understanding Economics Today. 7th ed. New York: McGraw-Hill/Irwin, 2001.

MLA (9th ed.) Citation

Walton, Gary M., and Frank C. Wykoff. Understanding Economics Today. 7th ed. McGraw-Hill/Irwin, 2001.