Sunan an-Nasa'i 1054
سنن النسائي#1054Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ الأَعْلَى، قَالَ حَدَّثَنَا خَالِدٌ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ قَتَادَةَ، قَالَ سَمِعْتُ أَنَسًا، يُحَدِّثُ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " أَتِمُّوا الرُّكُوعَ وَالسُّجُودَ إِذَا رَكَعْتُمْ وَسَجَدْتُمْ " .
It was narrated that Qatadah said:"I heard Anas narrate that the Prophet (ﷺ) said: "Bow and prostrate properly when you bow and prostrate
Scholarly Authentication
The label above is the grade most of these scholars gave, each scholar counted once — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. When they judged only its chain of narrators (“Isnaad”), the label says “Sound chain”. Each scholar's own wording:
Our source also lists this ruling under Abu Ghuddah, the editor of the printed edition it was taken from. It is al-Albani's ruling printed again, so it is counted once.
In-book reference: 12:26