Sunan Abu Dawud
1507
Sahih+3

Abu al-Zubair said:'Abd Allah b. al-Zubair used to recite this supplication after each (prescribed) prayer. He then narrated a similar supplication and added to it: "There is no might and no power except in Allah; there is no god but Allah Whom alone we worship. To Him belongs wealth." The narrator then transmitted the rest of tradition

SahihAl-Albani
SahihMuhammad Muhyi Al-Din Abdul Hamid