(90) باب التَّكْبِيرِ لِلسُّجُودِ
It was narrated that Abdullah said:
"The Messenger of Allah (ﷺ) used to say the takbir every time he got up, went down, stood and sat. Abu Bakr, 'Umar, and 'Uthman (did likewise)."
Reference: Sunan an-Nasa'i 1149
In-book reference: Book 12, Hadith 121
English translation: Vol. 2, Book 12, Hadith 1150