APA (7th ed.) Citation

De Pace, M. (1989). dBASE IV: A practical guide. BSP Professional Books.

Chicago Style (17th ed.) Citation

De Pace, M. DBASE IV: A Practical Guide. Oxford: BSP Professional Books, 1989.

MLA (9th ed.) Citation

De Pace, M. DBASE IV: A Practical Guide. BSP Professional Books, 1989.

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