APA (7th ed.) Citation

Robbins, J. (1990). Word Perfect 5.1: Step-by-Step. Howard W. Sams & Co..

Chicago Style (17th ed.) Citation

Robbins, Judd. Word Perfect 5.1: Step-by-Step. Carmel: Howard W. Sams & Co., 1990.

MLA (9th ed.) Citation

Robbins, Judd. Word Perfect 5.1: Step-by-Step. Howard W. Sams & Co., 1990.

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