APA (7th ed.) Citation

Ferrett, R. L., Preston, J., & Preston,Sally. (1998). Learn Powerpoint 97. Que Education and Training.

Chicago Style (17th ed.) Citation

Ferrett, Robert L., John Preston, and Preston,Sally. Learn Powerpoint 97. Indianapolis,IN: Que Education and Training, 1998.

MLA (9th ed.) Citation

Ferrett, Robert L., et al. Learn Powerpoint 97. Que Education and Training, 1998.

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