APA (7th ed.) Citation

Deitel, H. M., & Nieto, T. R. (1999). Visual Basic 6: How to program. Prentice Hall.

Chicago Style (17th ed.) Citation

Deitel, H. M., and T. R. Nieto. Visual Basic 6: How to Program. Upper Saddle River: Prentice Hall, 1999.

MLA (8th ed.) Citation

Deitel, H. M., and T. R. Nieto. Visual Basic 6: How to Program. Prentice Hall, 1999.