Musnad Ahmad 16:4

'Abd al-Razzaq narrated to us, Sufyan informed us, from Abu Ishaq, from Burayd ibn Abi Maryam, from Abu al-Hawra', from al-Hasan ibn 'Ali, that the Messenger of Allah (may Allah bless him and grant him peace) taught him to say [supplications] in the Witr [prayer]. He then mentioned the like of the hadith of Yunus.