APA (7th ed.) Citation
(1993). Microsoft MS-DOS 6: For the MS-DOS Operating System. Microsoft Corporation.
Chicago Style (17th ed.) Citation
Microsoft MS-DOS 6: For the MS-DOS Operating System. B.m.: Microsoft Corporation, 1993.
MLA (9th ed.) Citation
Microsoft MS-DOS 6: For the MS-DOS Operating System. Microsoft Corporation, 1993.
Warning: These citations may not always be 100% accurate.