Microsoft Corporation. (1998). Microsoft MS-DOS User;s guide Operating system version 4.01. Microsoft Corporation.
Chicago Style (17th ed.) CitationMicrosoft Corporation. Microsoft MS-DOS User;s Guide Operating System Version 4.01. New York: Microsoft Corporation, 1998.
MLA (9th ed.) CitationMicrosoft Corporation. Microsoft MS-DOS User;s Guide Operating System Version 4.01. Microsoft Corporation, 1998.
Warning: These citations may not always be 100% accurate.