| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| 3 + 3 (LP, Gat) | T-Neck Records, Inc. | KZ 32453 | US | 1973 | |
| 3 + 3 Featuring: That Lady (LP, Album) | Epic | EPC 65740 | Europe | 1973 | |
| 3 + 3 (8-Trk, Album) | T-Neck Records, Inc. | ZA 32453 | US | 1973 | |
| 3 + 3 (8-Trk, Album, Quad) | T-Neck Records, Inc. | ZAQ 32453 | US | 1973 | |
| 3 + 3 (Cass, Album) | Epic | 40-32039 | UK | 1973 | |
| 3 + 3 (LP) | Epic | S EPC 32039 | UK | 1973 | |
| 3 + 3 (LP, Album) | Epic | S EPC 65740 | UK | 1973 | |
| 3 + 3 (LP, Album) | Columbia Records Of Canada | KZ 32453 | Canada | 1973 | |
| 3 + 3 (LP, Album, Quad) | T-Neck Records, Inc. | PZQ 32453 | US | 1973 | |
| 3 + 3 (LP, Gat) | T-Neck Records, Inc., CBS | KZ 32453, SBP 234410 | Australia | 1973 | |
| 3 + 3 (CD) | Epic | 986251 2 | UK | 1991 | |
| 3 + 3 (CD) | Sony Music Entertainment (Japan) | SRCS 6462 | Japan | 1995 | |
| 3 + 3 (SACD, Album, Multichannel) | Epic | ZS 32453 | US | 2001 | |
| 3 + 3 (CD) | Epic | EPC 487937 2 | Europe | 2002 | |
| 3 + 3 (CD, Album, RM) | Epic, Legacy | EK 85798 | US | 2003 | |
| 3 + 3 (LP, Album, RE) | T-Neck Records, Inc. | PZ 32453 | US |