APA (7th ed.) Citation

Mauer. (1998). Sams teach yourself more Visual Basic 6 in 21 days. Sams.

Chicago Style (17th ed.) Citation

Mauer. Sams Teach Yourself More Visual Basic 6 in 21 Days. Indianapolis, IN: Sams, 1998.

MLA (8th ed.) Citation

Mauer. Sams Teach Yourself More Visual Basic 6 in 21 Days. Sams, 1998.