APA (7th ed.) Citation

O'Leary, T. J., O'Leary, L. I., & Williams, B. K. (1992). DBASE IV release 1.1. McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., Linda I. O'Leary, and Brian K. Williams. DBASE IV Release 1.1. New York: McGraw-Hill, 1992.

MLA (8th ed.) Citation

O'Leary, Timothy J., et al. DBASE IV Release 1.1. McGraw-Hill, 1992.