Sunan an-Nasai Book 43, Hadith 4437

أَخْبَرَنَا عَمْرُو بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا يَحْيَى، قَالَ حَدَّثَنَا سُفْيَانُ، قَالَ حَدَّثَنِي هَارُونُ بْنُ أَبِي وَكِيعٍ، - وَهُوَ هَارُونُ بْنُ عَنْتَرَةَ - عَنْ أَبِيهِ، عَنِ ابْنِ عَبَّاسٍ، فِي قَوْلِهِ عَزَّ وَجَلَّ ‏{‏ وَلاَ تَأْكُلُوا مِمَّا لَمْ يُذْكَرِ اسْمُ اللَّهِ عَلَيْهِ ‏}‏ قَالَ خَاصَمَهُمُ الْمُشْرِكُونَ فَقَالُوا مَا ذَبَحَ اللَّهُ فَلاَ تَأْكُلُوهُ وَمَا ذَبَحْتُمْ أَنْتُمْ أَكَلْتُمُوهُ ‏.‏

Harun bin Abi Walki-who is Harun bin 'Antarah -narrated from his father, form Ibn 'Abbas, concerning the saying of Allah, the Mighty and Sublime:"Eat not of that on which Allah's name has not been pronounced" - that he said: "The idolaters argued with them and said: 'Whatever Allah kills you do not eat, and whatever you kill you eat