APA (7th ed.) Citation

Shelly, G. B., & Cashman, T. J. (1990). Learning to use WordPerfect, Lotus 1-2-3, and dBase III Plus. Boyd & Fraser.

Chicago Style (17th ed.) Citation

Shelly, Gary B., and Thomas J. Cashman. Learning to Use WordPerfect, Lotus 1-2-3, and DBase III Plus. [Boston, MA]: Boyd & Fraser, 1990.

MLA (8th ed.) Citation

Shelly, Gary B., and Thomas J. Cashman. Learning to Use WordPerfect, Lotus 1-2-3, and DBase III Plus. Boyd & Fraser, 1990.

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