APA (7th ed.) Citation

Swan, M. &. C. W. (1987). Microsoft GW Basic: User's guide and user's reference. Microsoft Corporation, 1987.

Chicago Style (17th ed.) Citation

Swan, Michael & Catherine Walter. Microsoft GW Basic: User's Guide and User's Reference. Microsoft Corporation, 1987, 1987.

MLA (8th ed.) Citation

Swan, Michael & Catherine Walter. Microsoft GW Basic: User's Guide and User's Reference. Microsoft Corporation, 1987, 1987.