Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| 8 (LP) | Paisley Park | 925 545-1 | Europe | 1987 | |
| 8 (CD) | Paisley Park | 9 25545-2 | US | 1987 | |
| 8 (CD, Album) | Paisley Park | 7599-25545-2 | Germany | 1987 | |
| 8 (Cass, Album) | Warner Bros. Records | 9 25545-4 | US | 1987 | |
| 8 (Cass, Album) | Paisley Park, Paisley Park | 9 25545-4, 4-25545 | US | 1987 | |
| 8 (LP) | Paisley Park, Paisley Park | 1-25545, 9 25545-1 | US | 1987 | |
| 8 (LP) | Paisley Park | 92 55451 | Canada | 1987 | |
| 8 (CD, Album) | Warner-Pioneer Corporation | WPCP-3708 | Japan | 1990 |