Greenberg, P. J., & Greenberg, R. (1986). The complete guide to dBASE III: A self-teaching guide. Wiley.
Chicago Style (17th ed.) CitationGreenberg, Philip J., and Rita Greenberg. The Complete Guide to DBASE III: A Self-teaching Guide. New York: Wiley, 1986.
MLA (9th ed.) CitationGreenberg, Philip J., and Rita Greenberg. The Complete Guide to DBASE III: A Self-teaching Guide. Wiley, 1986.
Warning: These citations may not always be 100% accurate.