APA (7th ed.) Citation

Ashley, R., & Fernandez, J. N. (1985). PC DOS: A self-teaching guide (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Ashley, Ruth, and Judi N. Fernandez. PC DOS: A Self-teaching Guide. 2nd ed. New York: Wiley, 1985.

MLA (9th ed.) Citation

Ashley, Ruth, and Judi N. Fernandez. PC DOS: A Self-teaching Guide. 2nd ed. Wiley, 1985.