APA (7th ed.) Citation

Christopher, K. W., Feigenbaum, B. A., & Saliga, S. O. (1989). DOS 4.0 reference. Wiley.

Chicago Style (17th ed.) Citation

Christopher, Ken W., Barry A. Feigenbaum, and Shon O. Saliga. DOS 4.0 Reference. New York: Wiley, 1989.

MLA (9th ed.) Citation

Christopher, Ken W., et al. DOS 4.0 Reference. Wiley, 1989.