Cita APA (7a ed.)

Marquis, H., & Smith, E. A. (2000). A Visual Basic 6 programmer's toolkit. Apress.

Cita Chicago Style (17a ed.)

Marquis, Hank, y Eric A. Smith. A Visual Basic 6 Programmer's Toolkit. Berkeley, California: Apress, 2000.

Cita MLA (9a ed.)

Marquis, Hank, y Eric A. Smith. A Visual Basic 6 Programmer's Toolkit. Apress, 2000.