APA (7th ed.) Citation

Wilkinson, C. W., Wilkinson, D. C., & Vik, G. N. (1986). Communicating through writing and speaking in business (9th ed.). Irwin.

Chicago Style (17th ed.) Citation

Wilkinson, C. W., Dorothy C. Wilkinson, and Gretchen N. Vik. Communicating Through Writing and Speaking in Business. 9th ed. Homewood: Irwin, 1986.

MLA (9th ed.) Citation

Wilkinson, C. W., et al. Communicating Through Writing and Speaking in Business. 9th ed. Irwin, 1986.