Language:
كتاب الحج
25  
Hajj (Pilgrimage)
(118)
Chapter: Slaughtering the camels after tying their one leg
(118)
باب نَحْرِ الإِبِلِ مُقَيَّدَةً
Sahih al-Bukhari 1713

Narrated Ziyad bin Jubair:

I saw Ibn `Umar passing by a man who had made his Badana sit to slaughter it. Ibn `Umar said, "Slaughter it while it is standing with one leg tied up as is the tradition of Muhammad."

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ، حَدَّثَنَا يَزِيدُ بْنُ زُرَيْعٍ، عَنْ يُونُسَ، عَنِ زِيَادِ بْنِ جُبَيْرٍ، قَالَ رَأَيْتُ ابْنَ عُمَرَ ـ رضى الله عنهما ـ أَتَى عَلَى رَجُلٍ، قَدْ أَنَاخَ بَدَنَتَهُ يَنْحَرُهَا، قَالَ ابْعَثْهَا قِيَامًا مُقَيَّدَةً، سُنَّةَ مُحَمَّدٍ صلى الله عليه وسلم‏.‏ وَقَالَ شُعْبَةُ عَنْ يُونُسَ أَخْبَرَنِي زِيَادٌ‏.‏
Reference : Sahih al-Bukhari 1713
In-book reference : Book 25, Hadith 191
USC-MSA web (English) reference : Vol. 2, Book 26, Hadith 771
  (deprecated numbering scheme)