Muwatta Malik 1038
موطأ مالك#1038Sahihوَحَدَّثَنِي عَنْ مَالِكٍ، عَنِ ابْنِ شِهَابٍ، أَنَّهُ قَالَ مَا نَحَرَ رَسُولُ اللَّهِ صلى الله عليه وسلم عَنْهُ وَعَنْ أَهْلِ بَيْتِهِ إِلاَّ بَدَنَةً وَاحِدَةً أَوْ بَقَرَةً وَاحِدَةً . قَالَ مَالِكٌ لاَ أَدْرِي أَيَّتَهُمَا قَالَ ابْنُ شِهَابٍ .
Yahya related to me from Malik that Ibn Shihab said, "The Messenger of Allah, may Allah bless him and grant him peace, only sacrificed one camel or one cow for himself and his family." Malik said, "I do not know which of them Ibn Shihab said
Scholarly Authentication
The label above is the grade most of these scholars gave — 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. Each scholar's own wording:
In-book reference: 23:11