APA (7th ed.) Citation

Hursch, J. L., & Hursch, C. J. (1988). dBASE IV essentials. Windcrest.

Chicago Style (17th ed.) Citation

Hursch, Jack L., and Carolyn J. Hursch. DBASE IV Essentials. Blue Ridge Summit, PA: Windcrest, 1988.

MLA (9th ed.) Citation

Hursch, Jack L., and Carolyn J. Hursch. DBASE IV Essentials. Windcrest, 1988.