Cita APA (7a ed.)
Williams, B. K., & O'Leary, T. J. (1989). Computers and Information Systems (2.Edition.). The Benjamin/Cummings Publ.Comp.
Cita Chicago Style (17a ed.)
Williams, Brian K., y Timothy J. O'Leary. Computers and Information Systems. 2.Edition. Redwood City: The Benjamin/Cummings Publ.Comp, 1989.
Cita MLA (9a ed.)
Williams, Brian K., y Timothy J. O'Leary. Computers and Information Systems. 2.Edition. The Benjamin/Cummings Publ.Comp, 1989.
Precaución: Estas citas no son 100% exactas.