Musnad Ahmad 1153:826

Sulayman ibn Harb and ‘Affan narrated to us, they said: Shu‘bah narrated to us. ‘Affan said: Qatadah said: He informed me from Mutarrif, from ‘Aishah, that the Prophet, peace and blessings of Allah be upon him, used to say in his bowing: "Subbuh, Quddus, Lord of the angels and the Spirit." Shu‘bah said: Hisham ibn Abi ‘Abd Allah narrated to me, from Qatadah, from Mutarrif, from ‘Aishah, that she said: In his bowing and his prostration. ‘Affan said: Shu‘bah said: I mentioned that to Hisham ibn Abi ‘Abd Allah, and he said: In his bowing and his prostration.