Zakariyya bin Abi Za'idah narrated from Abu Ishaq, from Sa'id bin Jubair, that Ibn Abbas said: The Messenger of Allah (ﷺ) used to pray witr with three rak'ahs. In the first he would recite Glorify the Name of Your Lord, the Most High; in the second: Say: O You disbelievers! and in the third: Say: He is Allah, (the) One.'
Zuhair narrated from Abu Ishaq, from Sa'eed bin Jubair, : Ibn Abbas used to pray witr with three: (Reciting): Glorify the Name of Your Lord, the Most High; Say: O You disbelievers! and: Say: He is Allah, (the) One.'