Hadith 508670
Chapter 20: Hajj - كتاب الحج
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ ثَوْرِ بْنِ زَيْدٍ الدِّيلِيِّ، عَنْ عِكْرِمَةَ، مَوْلَى ابْنِ عَبَّاسٍ قَالَ لاَ أَظُنُّهُ إِلاَّ عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، أَنَّهُ قَالَ الَّذِي يُصِيبُ أَهْلَهُ قَبْلَ أَنْ يُفِيضَ يَعْتَمِرُ وَيُهْدِي .
Yahya related to me from Malik from Thawr ibn Zayd ad-Dili that lkrama, the mawla of Ibn Abbas, said, (and Thawr believed it to be from Abdullah ibn Abbas), "Someone who has intercourse with his wife before he has done the tawaf al-ifada should do an umra and sacrifice an animal."
Reference Muwatta Malik 508670
USC-MSA web (English) reference : Book 20, Hadith 165