APA (7th ed.) Citation

Osborne/McGraw-Hill, Clason, K., & Hansen, D. (1990). WordPerfect Office: The complete reference. Osborne/McGraw-Hill.

Chicago Style (17th ed.) Citation

Osborne/McGraw-Hill, Kristy Clason, and David Hansen. WordPerfect Office: The Complete Reference. Berkeley: Osborne/McGraw-Hill, 1990.

MLA (8th ed.) Citation

Osborne/McGraw-Hill, et al. WordPerfect Office: The Complete Reference. Osborne/McGraw-Hill, 1990.