| Singular | Plural | |
|---|---|---|
| Nominativ | cithara, citharaque | citharae |
| Genitiv | citharae, citharai | cithararum, citharum |
| Dativ | citharae, citharai | citharabus, citharis |
| Akkusativ | citharam, citharamque | citharas |
| Ablativ | citharaque, cithara, citharad | citharabus, citharis |
| Vokativ | citharaque, cithara | citharae |