Sahih Muslim 4332

Arabic

وَحَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ مُعَاذٍ، حَدَّثَنَا أَبِي، حَدَّثَنَا شُعْبَةُ، بِهَذَا الإِسْنَادِ قَالَ ‏ "‏ مَنْ أَعْتَقَ شَقِيصًا مِنْ مَمْلُوكٍ فَهُوَ حُرٌّ مِنْ مَالِهِ ‏"‏ ‏.‏

Translation

This hadith has been narrated on the authority of Shu'ba with the same chain of transmitters (and the words are):" He who emancipates a portion in a slave, he should (secure full) freedom for him from his property

Authenticity

Sahih

Reference