APA (7th ed.) Citation

DuffylhTim. Microsoft powerpoint 97 (Blue Ribbon ed.).

Chicago Style (17th ed.) Citation

DuffylhTim. Microsoft Powerpoint 97. Blue Ribbon ed. Reading,MAlbAddison-Wesleylc1999.

MLA (9th ed.) Citation

DuffylhTim. Microsoft Powerpoint 97. Blue Ribbon ed.

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