Musnad Ahmad 668:1

Waki' and Ibn Ja'far narrated to us, they said: Shu'bah narrated to us, from 'Adi ibn Thabit, he said: Ibn Ja'far said: I heard 'Abdullah ibn Yazid al-Ansari narrating, he said: "The Messenger of Allah, peace and blessings of Allah be upon him, forbade plunder (al-nuhbah) and mutilation (al-muthlah)."