APA (7th ed.) Citation

Claff, M. H. (1993). WordPerfect 6.0: Super book. SAMS.

Chicago Style (17th ed.) Citation

Claff, Marilyn Horn. WordPerfect 6.0: Super Book. Indiana: SAMS, 1993.

MLA (8th ed.) Citation

Claff, Marilyn Horn. WordPerfect 6.0: Super Book. SAMS, 1993.

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