APA (7th ed.) Citation

Royall, D. (1994). Quattro Pro for Windows. NTC Publishing Group.

Chicago Style (17th ed.) Citation

Royall, David. Quattro Pro for Windows. Lincolnwood, Ill.: NTC Publishing Group, 1994.

MLA (9th ed.) Citation

Royall, David. Quattro Pro for Windows. NTC Publishing Group, 1994.

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