Sunan an-Nasa'i, Book 40, Hadith 10 (In-Book) ⓘ
It was narrated from Habib bin Ash-Shahid: "Muhammad bin Sirin said to me: 'Ask Al-Hasan (Al-Basri) from whom he heard this Hadith about the 'Aqiqah.' I asked him about that and he said: 'I heard it from Samurh."'
أَخْبَرَنَا هَارُونُ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا قُرَيْشُ بْنُ أَنَسٍ، عَنْ حَبِيبِ بْنِ الشَّهِيدِ، قَالَ لِي مُحَمَّدُ بْنُ سِيرِينَ سَلِ الْحَسَنَ مِمَّنْ سَمِعَ حَدِيثَهُ، فِي الْعَقِيقَةِ . فَسَأَلْتُهُ عَنْ ذَلِكَ، فَقَالَ سَمِعْتُهُ مِنْ، سَمُرَةَ .
also referenced under: Hadith 4221 (Reference) & Volume 5, Book 40, Hadith 4226 (DarusSalam)