APA (7th ed.) Citation

CORPORATION, M. (1991). Microsoft MS-DOS user's guide and reference for the MS-DOS operating system version 5.0. Microsoft Corporation.

Chicago Style (17th ed.) Citation

CORPORATION, MICROSOFT. Microsoft MS-DOS User's Guide and Reference for the MS-DOS Operating System Version 5.0. Microsoft Corporation, 1991.

MLA (8th ed.) Citation

CORPORATION, MICROSOFT. Microsoft MS-DOS User's Guide and Reference for the MS-DOS Operating System Version 5.0. Microsoft Corporation, 1991.