APA (7th ed.) Citation

Duncan, C. B. (2007). Microsoft Excel 2007 (CD ROM). Virtual Training Company.

Chicago Style (17th ed.) Citation

Duncan, Cheryl Brumbaugh. Microsoft Excel 2007 (CD ROM). Virtual Training Company, 2007.

MLA (9th ed.) Citation

Duncan, Cheryl Brumbaugh. Microsoft Excel 2007 (CD ROM). Virtual Training Company, 2007.

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