APA (7th ed.) Citation

Holzner, S. (1998). Visual Basic 6 black book. Coriolis Technology Press.

Chicago Style (17th ed.) Citation

Holzner, Steven. Visual Basic 6 Black Book. Albany NY: Coriolis Technology Press, 1998.

MLA (8th ed.) Citation

Holzner, Steven. Visual Basic 6 Black Book. Coriolis Technology Press, 1998.

Warning: These citations may not always be 100% accurate.