Sunan Abi Dawud 1768
سنن أبي داود#1768Sahihحَدَّثَنَا أَحْمَدُ بْنُ حَنْبَلٍ، حَدَّثَنَا هُشَيْمٌ، أَخْبَرَنَا يُونُسُ، أَخْبَرَنِي زِيَادُ بْنُ جُبَيْرٍ، قَالَ كُنْتُ مَعَ ابْنِ عُمَرَ بِمِنًى فَمَرَّ بِرَجُلٍ وَهُوَ يَنْحَرُ بَدَنَتَهُ وَهِيَ بَارِكَةٌ فَقَالَ ابْعَثْهَا قِيَامًا مُقَيَّدَةً سُنَّةَ مُحَمَّدٍ صلى الله عليه وسلم .
Ziyad bin Jubair said :I was present with Ibn `Umar at Minah. He passed a man who was sacrificing his camel while it was sitting. He said make it stand and tie its leg ; thus follow the practice (sunnah) of Muhammad (SWAS)
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: 11:48