APA (7th ed.) Citation

Co, M. (1990). MICROSOFT WINDOWS GRAPHICAL ENVIRONMENT, VERSION 3.0. Microsoft.

Chicago Style (17th ed.) Citation

Co, Microsoft. MICROSOFT WINDOWS GRAPHICAL ENVIRONMENT, VERSION 3.0. Microsoft, 1990.

MLA (8th ed.) Citation

Co, Microsoft. MICROSOFT WINDOWS GRAPHICAL ENVIRONMENT, VERSION 3.0. Microsoft, 1990.