APA (7th ed.) Citation

Vawdrey, C., Stoddard, T. D., & Bell, R. D. (1993). Practical business English. Irwin.

Chicago Style (17th ed.) Citation

Vawdrey, Colleen, Ted D. Stoddard, and R. DerMont Bell. Practical Business English. Homewood [etc.]: Irwin, 1993.

MLA (9th ed.) Citation

Vawdrey, Colleen, et al. Practical Business English. Irwin, 1993.