| In London (LP, Album, Gatefold) | ABC Records, ABC Records | ABCX-730, ABCX 730 | US | 1971 | |
| In London (Reel-To-Reel, Album, Stereo, 3 ¾ ips) | ABC Records | 0022-730 | US | 1971 | |
| In London (LP, Album) | Probe | SPB 1041 | UK | 1971 | |
| In London (LP, Album) | Probe, HÖR ZU | SHZE 334 | Germany | 1971 | |
| In London (LP, Album, Gatefold) | ABC Records, ABC/Dunhill Records | ABCX-730 | Canada | 1971 | |
Recorded at Olympic and Command Studios in London, June 9-16, 1971, and modified at the Village Recorder and the Record Plant in Los Angeles and the Hit Factory in New York.
Design – - George Whiteman
Lacquer Cut By – - Levi Seitz
Photography By – - Keith Morris (8)
Producer – - Ed Michel , - Joe Zagarino
Reissue Producer, Mastered By – - Joe Reagoso
Mastered At Friday Music Studios
Recorded At Olympic Studios
Recorded At Command Studios
Phonographic Copyright UMG Recordings, Inc
Manufactured By Friday Music
Licensed From Universal Music Enterprises
Lacquer Cut at Black Belt Mastering