APA (7th ed.) Citation

Microsoft Corporation. (1989). Microsoft operating system 2: [presentation managertoolkit] ; quickhelp user's guide ; version 1.1. Microsoft Corporation.

Chicago Style (17th ed.) Citation

Microsoft Corporation. Microsoft Operating System 2: [presentation Managertoolkit] ; Quickhelp User's Guide ; Version 1.1. Redmond: Microsoft Corporation, 1989.

MLA (9th ed.) Citation

Microsoft Corporation. Microsoft Operating System 2: [presentation Managertoolkit] ; Quickhelp User's Guide ; Version 1.1. Microsoft Corporation, 1989.