Sahih Muslim , Book 7, Hadith 3026 (USC-MSA) ⓘ
Jabir b. 'Abdullah (Allah be pleased with him) reported: We performed Hajj along with Allah's Messenger, and we sacrificed a camel on behalf of seven persons, and a cow on behalf of seven persons.
وَحَدَّثَنِي مُحَمَّدُ بْنُ حَاتِمٍ، حَدَّثَنَا وَكِيعٌ، حَدَّثَنَا عَزْرَةُ بْنُ ثَابِتٍ، عَنْ أَبِي الزُّبَيْرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ حَجَجْنَا مَعَ رَسُولِ اللَّهِ صلى الله عليه وسلم فَنَحَرْنَا الْبَعِيرَ عَنْ سَبْعَةٍ وَالْبَقَرَةَ عَنْ سَبْعَةٍ .
also referenced under: Book 15, Hadith 391 (In-Book) & Hadith 1318 (Reference)