Cita APA (7a ed.)

Siler, B., Spotts, J., & Fraguas, S. (1999). Visual Basic 6. Prentice Hall.

Cita Chicago Style (17a ed.)

Siler, Brian, Jeff Spotts, y Santiago Fraguas. Visual Basic 6. Madrid: Prentice Hall, 1999.

Cita MLA (8a ed.)

Siler, Brian, et al. Visual Basic 6. Prentice Hall, 1999.