Cita APA (7th ed.)
Sullivan, D. (1988). Computers today (2nd ed.). Houghton.
Cita Chicago (17th ed.)
Sullivan, David. Computers Today. 2nd ed. Dallas: Houghton, 1988.
Cita MLA (9th ed.)
Sullivan, David. Computers Today. 2nd ed. Houghton, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.