| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Rubycon (LP) | Virgin | V 2025 | UK | 1975 | |
| Rubycon (Cass) | Polydor | 2933 716 | Germany | 1975 | |
| Rubycon (Cass, Album) | Virgin France S.A. | 3222 716 | France | 1975 | |
| Rubycon (LP) | Virgin Records America, Inc. | VR 13-116 | USA & Canada | 1975 | |
| Rubycon (LP) | Virgin | OVED 27 | UK | 1975 | |
| Rubycon (LP) | Virgin France S.A. | 940 505 | France | 1975 | |
| Rubycon (LP) | Virgin France S.A. | 2933 716 | France | 1975 | |
| Rubycon (LP) | Virgin | VG 50056 | Greece | 1975 | |
| Rubycon (LP) | Virgin | 202619 | France | 1975 | |
| Rubycon (LP, Album) | Virgin | 88 754 XOT | Europe | 1975 | |
| Rubycon (LP, Album) | Virgin | VIL 12025 | Italy | 1975 | |
| Rubycon (LP, Album, Gat) | Virgin | 88 754 XOT | Germany | 1975 | |
| Rubycon (LP, Album, Gat) | Virgin International | VI 2025 | US | 1975 | |
| Rubycon (Vinyl, Album) | Ariola Eurodisc S.A. | 88.754-I | Spain | 1975 | |
| Rubycon (LP, Album, RE) | Virgin International | VI 2025 | US | 1981 | |
| Rubycon (CD, Album) | Virgin | CDV 2025 | UK | 1984 | |
| Rubycon (CD, Album, RE) | Virgin Records America, Inc., Virgin Records America, Inc. | V2-86091, 0777 7 86091 2 4 | US | 1988 | |
| Rubycon (CD, Album, RP) | Virgin Records America, Inc. | 7 91009-2 | US | 1992 | |
| Rubycon (CD) | Virgin Music (Italy) | 7243 8 40063 27 TAND 6 | Italy | 1995 | |
| Rubycon (CD, Album, RM, Def) | Virgin, Virgin, Virgin | TAND 6, 7243 8 40063 2 7, 7243 8 40063 27 | UK & Europe | 1995 | |
| Rubycon (CD, Album, RM, Def) | Virgin, Virgin, Virgin | TAND 6, 7243 8 40063 2 7, 7243 8 40063 27 | UK & Europe | 1995 | |
| Rubycon (SACD, Album, RM) | Virgin, Virgin | 7243 8 11263 2 5, SACDV2025 | UK | 2001 | |
| Rubycon (CD, Album, RE) | Toshiba EMI Ltd | VJCP-68668 | Japan | 2004 |
referencing Rubycon, CD, 7243 8 40063 27 TAND 6