APA (7th ed.) Citation

Viescas, J. (1990). Programmer's quick refence series: DBASE IV (ed.). Microsoft Press.

Chicago Style (17th ed.) Citation

Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Washington: Microsoft Press, 1990.

MLA (9th ed.) Citation

Viescas, John. Programmer's Quick Refence Series: DBASE IV. ed. Microsoft Press, 1990.