The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness (Kitab Al-Dhikr)
Muslim :: Book 35 : Hadith 6572
This hadith has been transmitted on the authority of Abu Huraira that Allah's Messenge; (may peace be upon him) used to supplicate thus:" There is no god but Allah, the One Who conferred upon His armies the honour of victory and helped His servant rout the clans; there is nothing after that."