(63) باب نَحْرِ الْبُدْنِ قِيَامًا مُقَيَّدَةً
Ziyad b. Jubair reported that Ibn 'Umar came upon a person who was slaughtering (sacrificing) his camel and had made him kneel down. So he told him to make it stand up festered (and then sacrifice it) according to the Sunnah of the Prophet (ﷺ).
Reference: Sahih Muslim 1320
In-book reference: Book 15, Hadith 397
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3032