Citazione Stile APA (7a Edizione)

Microsoft Corporation. (1994). User's guide Microsoft MS-DOS 6.21 for the MS-DOS operating system. Microsoft.

Citazione stile Chigago Style (17a edizione)

Microsoft Corporation. User's Guide Microsoft MS-DOS 6.21 for the MS-DOS Operating System. [Washington]: Microsoft, 1994.

Citatione MLA (9a ed.)

Microsoft Corporation. User's Guide Microsoft MS-DOS 6.21 for the MS-DOS Operating System. Microsoft, 1994.