APA (7th ed.) Citation

Walton, G. M., & Wykoff, F. C. (1998). Understanding economics today (6th ed.). Irwin-McGraw-Hill.

Chicago Style (17th ed.) Citation

Walton, Gary M., and Frank C. Wykoff. Understanding Economics Today. 6th ed. Boston [etc.]: Irwin-McGraw-Hill, 1998.

MLA (9th ed.) Citation

Walton, Gary M., and Frank C. Wykoff. Understanding Economics Today. 6th ed. Irwin-McGraw-Hill, 1998.