Sahih al-Bukhari 824
صحيح البخاري#824SahihNarrated Aiyub:Abu Qilaba said, "Malik bin Huwairith came to us and led us in the prayer in this mosque of ours and said, 'I lead you in prayer but I do not want to offer the prayer but just to show you how Allah's Apostle performed his prayers." I asked Abu Qilaba, "How was the prayer of Malik bin Huwairith?" He replied, "Like the prayer of this Sheikh of ours-- i.e. `Amr bin Salima." That Sheikh used to pronounce the Takbir perfectly and when he raised his head from the second prostration he would sit for a while and then support himself on the ground and get up
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 10:218