(62) باب الاِشْتِرَاكِ فِي الْهَدْىِ وَإِجْزَاءِ الْبَقَرَةِ وَالْبَدَنَةِ كُلٍّ مِنْهُمَا عَنْ سَبْعَةٍ
Jabir b. 'Abdullah (Allah be pleased with him) reported:
In the year of Hudaibiya (6 H ), we, along with Allah's Messenger (way peace be upon him), sacrificed a camel for seven persons and a cow for seven persons.
Reference: Sahih Muslim 1318 a
In-book reference: Book 15, Hadith 389
USC-MSA web (English) reference(deprecated numbering scheme): Book 7, Hadith 3024