APA (7th ed.) Citation

SIMPSON. (1995). Mastering word perfect 6.1 for windows. Tech Pubs.

Chicago Style (17th ed.) Citation

SIMPSON. Mastering Word Perfect 6.1 for Windows. Singapore: Tech Pubs, 1995.

MLA (9th ed.) Citation

SIMPSON. Mastering Word Perfect 6.1 for Windows. Tech Pubs, 1995.

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