APA (7th ed.) Citation

Lorenz, L. L., O'Mara, R. M., & Zellers, C. (1990). Windows 3 companion. Microsoft Press.

Chicago Style (17th ed.) Citation

Lorenz, Lori L., R. Michael O'Mara, and Clyde Zellers. Windows 3 Companion. Louisville, Ky.: Microsoft Press, 1990.

MLA (8th ed.) Citation

Lorenz, Lori L., et al. Windows 3 Companion. Microsoft Press, 1990.