Cita APA (7a ed.)

Canonical Ltd. (2008). Ubuntu 8.04.1 LTS: Desktop edition. Canonical.

Cita Chicago Style (17a ed.)

Canonical Ltd. Ubuntu 8.04.1 LTS: Desktop Edition. [S.l.]: Canonical, 2008.

Cita MLA (9a ed.)

Canonical Ltd. Ubuntu 8.04.1 LTS: Desktop Edition. Canonical, 2008.