APA (7th ed.) Citation

(1994). Microsoft MS-DOS step by step: Covers versions 6.0 and 6.2! Microsoft Press ; Catapult, Inc.

Chicago Style (17th ed.) Citation

Microsoft MS-DOS Step by Step: Covers Versions 6.0 and 6.2! Redmond, Wash: Microsoft Press ; Catapult, Inc, 1994.

MLA (9th ed.) Citation

Microsoft MS-DOS Step by Step: Covers Versions 6.0 and 6.2! Microsoft Press ; Catapult, Inc, 1994.