Musnad Ahmad 1012:5

Muhammad ibn Ja‘far narrated to us, Shu‘bah narrated to us, from Khalid, who said: I heard Abu Qilabah narrating from Abu al-Ash‘ath, from ‘Ubadah ibn al-Samit, who said: The Messenger of Allah, peace and blessings of Allah be upon him, took a pledge from us just as he took a pledge from the women, or from the people. He then mentioned its meaning.