APA (7th ed.) Citation

Zak, D. (1999). Programming with Microsoft Visual Basic 6.0. Jemma.

Chicago Style (17th ed.) Citation

Zak, Diane. Programming with Microsoft Visual Basic 6.0. Rizal: Jemma, 1999.

MLA (9th ed.) Citation

Zak, Diane. Programming with Microsoft Visual Basic 6.0. Jemma, 1999.