(1991). Wordperfect for Windows: Module 1 version 5.1. ComputerPREP.
Chicago Style (17th ed.) CitationWordperfect for Windows: Module 1 Version 5.1. Phoenix, Ariz: ComputerPREP, 1991.
MLA (9th ed.) CitationWordperfect for Windows: Module 1 Version 5.1. ComputerPREP, 1991.
Warning: These citations may not always be 100% accurate.