APA (7th ed.) Citation

Preston, J., Ferrett, R., & Preston, S. (2002). Learn PowerPoint 2002, brief. Prentice Hall.

Chicago Style (17th ed.) Citation

Preston, John, Robert Ferrett, and Sally Preston. Learn PowerPoint 2002, Brief. Upper Saddle River, NJ: Prentice Hall, 2002.

MLA (9th ed.) Citation

Preston, John, et al. Learn PowerPoint 2002, Brief. Prentice Hall, 2002.

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