مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1721
The Musnad of Ahlul-Bayt & Hadeeth of al-Hasan bin 'Ali bin Abu Talib
It was narrated from al-Hasan bin "Ali that the Messenger of Allah (ﷺ) taught him to say in Witr... and he narrated a hadeeth like that of Yoonus.
Musnad Ahmad 1721Sahih (Darussalam) [; see 1718]