Hadith 1258
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ أَبِي النَّضْرِ، مَوْلَى عُمَرَ بْنِ عُبَيْدِ اللَّهِ عَنْ عَامِرِ بْنِ سَعْدِ بْنِ أَبِي وَقَّاصٍ، عَنْ أَبِيهِ، أَنَّهُ كَانَ يَعْزِلُ .
Yahya related to me from Malik from Abu'n-Nadr, the mawla of Umar ibn Ubaydullah from Amir ibn Sad ibn Abi Waqqas from his father that he used to practise coitus interruptus
Mauquf Sahih (Salim al-Hilali)
Muwatta Malik 1258 · Book 29, Hadith 55