APA Citation

(1988). Microsoft MS-DOS: User's guide : operating system, version 4.01. United States of America: Microsoft.

Chicago Style Citation

Microsoft MS-DOS: User's Guide : Operating System, Version 4.01. United States of America: Microsoft, 1988.

MLA Citation

Microsoft MS-DOS: User's Guide : Operating System, Version 4.01. United States of America: Microsoft, 1988.

Warning: These citations may not always be 100% accurate.