Sunan Abu Dawud
3935
Sahih+3

Qatadah narrated with his chain of narrators:The Prophet (ﷺ) said: If a man emancipates a slave shared by him with another man, his emancipation rests with him (who emancipated his share). This is the version of Ibn Suwaid

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid