Cita APA (7a ed.)

Lewis, R. F. (1991). Unix on command (1a ed.). New Riders Publishing.

Cita Chicago Style (17a ed.)

Lewis, Rita F. Unix on Command. 1a ed. Carmel: New Riders Publishing, 1991.

Cita MLA (9a ed.)

Lewis, Rita F. Unix on Command. 1a ed. New Riders Publishing, 1991.