APA (7th ed.) Citation

O'Leary, T. J., & Williams, B. K. (1989). Study Guide for Computers and Information Systems (2. ed.). Benjamin-Cummings.

Chicago Style (17th ed.) Citation

O'Leary, Timothy J., and Brian K. Williams. Study Guide for Computers and Information Systems. 2. ed. Redwood City: Benjamin-Cummings, 1989.

MLA (9th ed.) Citation

O'Leary, Timothy J., and Brian K. Williams. Study Guide for Computers and Information Systems. 2. ed. Benjamin-Cummings, 1989.