APA (7th ed.) Citation

Hales, J. (2013). Excel 2013 advanced. BarCharts, Inc.

Chicago Style (17th ed.) Citation

Hales, John. Excel 2013 Advanced. [Boca Raton, FL]: BarCharts, Inc, 2013.

MLA (9th ed.) Citation

Hales, John. Excel 2013 Advanced. BarCharts, Inc, 2013.

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