APA (7th ed.) Citation

Smith, E. A., Whisler, V., & Marquis, H. (1998). Visual Basic 6 bible. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Smith, Eric A., Valor Whisler, and Hank Marquis. Visual Basic 6 Bible. Foster City, CA: IDG Books Worldwide, 1998.

MLA (8th ed.) Citation

Smith, Eric A., et al. Visual Basic 6 Bible. IDG Books Worldwide, 1998.