APA (7th ed.) Citation

Preston & Ferrett. (2002). Learn Excel 2002. Prentince Hall.

Chicago Style (17th ed.) Citation

Preston and Ferrett. Learn Excel 2002. Upper Saddle River, NJ: Prentince Hall, 2002.

MLA (8th ed.) Citation

Preston and Ferrett. Learn Excel 2002. Prentince Hall, 2002.

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