APA (7th ed.) Citation

Cassel, P., & Hart, M. (1998). Windows 98 in 21 days. Sams Publishers.

Chicago Style (17th ed.) Citation

Cassel, Paul, and Michael Hart. Windows 98 in 21 Days. United States: Sams Publishers, 1998.

MLA (9th ed.) Citation

Cassel, Paul, and Michael Hart. Windows 98 in 21 Days. Sams Publishers, 1998.