APA (7th ed.) Citation

(1991). Using wordperfect for windows (Special edition.). Que Corporation.

Chicago Style (17th ed.) Citation

Using Wordperfect for Windows. Special edition. Indiana: Que Corporation, 1991.

MLA (9th ed.) Citation

Using Wordperfect for Windows. Special edition. Que Corporation, 1991.

Warning: These citations may not always be 100% accurate.