Cita APA (7th ed.)

Ackermann, E. (1994). Using UNIX. Special edition. Que.

Cita Chicago (17th ed.)

Ackermann, Ernest. Using UNIX. Special Edition. Indianapolis, IN: Que, 1994.

Cita MLA (9th ed.)

Ackermann, Ernest. Using UNIX. Special Edition. Que, 1994.