APA (7th ed.) Citation

Thompson, M. H., & Keithley, E. M. (1991). English for modern business (6th ed.). Irwin.

Chicago Style (17th ed.) Citation

Thompson, Margaret H., and Erwin M. Keithley. English for Modern Business. 6th ed. Homewood, Ill.: Irwin, 1991.

MLA (9th ed.) Citation

Thompson, Margaret H., and Erwin M. Keithley. English for Modern Business. 6th ed. Irwin, 1991.