Each unique track is placed at its first release year.
EP LP CDS CD
1997
2003
| Track | Label | Media | Year | |
|---|---|---|---|---|
| Citizen-X — CO2 | Sphere Records | CD | 2003 | |
| Citizen-X — Red Signal | Sub Terranean | CD | 1997 |
| Track | Label | Media | Year | |
|---|---|---|---|---|
| Citizen-X — CO2 | Sphere Records | CD | 2003 | |
| Citizen-X — Red Signal | Sub Terranean | CD | 1997 |