APA (7th ed.) Citation

Walkenbach, Robinson, & Scoville. (1991). 1-2-3 for Windows complete handbook. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Walkenbach, Robinson, and Scoville. 1-2-3 for Windows Complete Handbook. San Mateo: IDG Books Worldwide, 1991.

MLA (8th ed.) Citation

Walkenbach, et al. 1-2-3 for Windows Complete Handbook. IDG Books Worldwide, 1991.