Sahih Bukhari
Sahih Bukhari Volume 001, Book 012, Hadith Number 714.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 12. Charecteristics Of Prayer
Narated By Al-Bara : (And Al-Bara was not a liar) Whenever we offered prayer with the Prophet and he raised his head from the bowing, we used to remain standing till we saw him prostrating.