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 Umaribn Ubaydullah from Amir ibn Sad ibn Abi Waqqas from his father thathe used to practise coitus interruptus. Translation Not Available

Book Ref: Muwatta Imam Malik Book 29 Hadith 1261
Web Ref:  Muwatta Imam Malik Book 29 Hadith 96