APA (7th ed.) Citation

(1991). Using 1-2-3 for Windows. Que Corp.

Chicago Style (17th ed.) Citation

Using 1-2-3 for Windows. Carmel, Ind: Que Corp, 1991.

MLA (9th ed.) Citation

Using 1-2-3 for Windows. Que Corp, 1991.

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