APA (7th ed.) Citation

Krumm, R., & Miller, L. (1990). dBase IV. Addison-Wesley.

Chicago Style (17th ed.) Citation

Krumm, Rob, and Laurie Miller. DBase IV. Reading, Mass: Addison-Wesley, 1990.

MLA (8th ed.) Citation

Krumm, Rob, and Laurie Miller. DBase IV. Addison-Wesley, 1990.