APA (7th ed.) Citation

Norton, P. (1989). Peter Norton's DOS guide (3rd ed.). Brady : Distributed by Prentice Hall.

Chicago Style (17th ed.) Citation

Norton, Peter. Peter Norton's DOS Guide. 3rd ed. New York, N.Y.: Brady : Distributed by Prentice Hall, 1989.

MLA (9th ed.) Citation

Norton, Peter. Peter Norton's DOS Guide. 3rd ed. Brady : Distributed by Prentice Hall, 1989.