Al-Kāfi
Hadith 92عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنْ إِسْمَاعِيلَ بْنِ مَرَّارٍ عَنْ يُونُسَ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ سَأَلْتُهُ عَنِ الْعَقِيقَةِ أَ وَاجِبَةٌ هِيَ قَالَ نَعَمْ وَاجِبَةٌ .
5. Ali ibn Ibrahim has narrated from his father from ’Isma‘il ibn Marrar from Yunus from abu Basir who has said the following: “I once asked abu ‘Abd Allah (a.s.), about ‘ Aqiqah : if it is obligatory or not. He (the Imam) said, ‘Yes, it is obligatory.’”