Sunan an-Nasa'i, Hadith 1071 ⓘ
It was narrated that Anas bin Malik was asked: "Did the Messenger of Allah say the Qunut in Subh prayer?" He said: "Yes." He was asked: "Was that before bowing or after?" He said: "After bowing."
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا حَمَّادٌ، عَنْ أَيُّوبَ، عَنِ ابْنِ سِيرِينَ، أَنَّ أَنَسَ بْنَ مَالِكٍ، سُئِلَ هَلْ قَنَتَ رَسُولُ اللَّهِ صلى الله عليه وسلم فِي صَلاَةِ الصُّبْحِ قَالَ نَعَمْ . فَقِيلَ لَهُ قَبْلَ الرُّكُوعِ أَوْ بَعْدَهُ قَالَ بَعْدَ الرُّكُوعِ .
also referenced under: Book 12, Hadith 43 (In-Book) & Volume 2, Book 12, Hadith 1072 (DarusSalam)