APA (7th ed.) Citation

Walkenbach, J. (2013). Excel 2013: Formulas. Wiley.

Chicago Style (17th ed.) Citation

Walkenbach, John. Excel 2013: Formulas. Hoboken, New Jersey: Wiley, 2013.

MLA (9th ed.) Citation

Walkenbach, John. Excel 2013: Formulas. Wiley, 2013.

Warning: These citations may not always be 100% accurate.