APA (7th ed.) Citation

Kofler, M. (2003). Definitive guide to Excel VBA (2. ed.). Apress.

Chicago Style (17th ed.) Citation

Kofler, Michael. Definitive Guide to Excel VBA. 2. ed. Berkeley, Calif: Apress, 2003.

MLA (9th ed.) Citation

Kofler, Michael. Definitive Guide to Excel VBA. 2. ed. Apress, 2003.