APA (7th ed.) Citation

Walkenbach, J. (1999). Microsoft Excel 2000 power programming with VBA. IDG Books Worldwide.

Chicago Style (17th ed.) Citation

Walkenbach, John. Microsoft Excel 2000 Power Programming with VBA. Foster City, CA: IDG Books Worldwide, 1999.

MLA (9th ed.) Citation

Walkenbach, John. Microsoft Excel 2000 Power Programming with VBA. IDG Books Worldwide, 1999.