Bulugh al-Maram, Book 12, Hadith 1395 (English)

Jabir (RAA) narrated, 'In the year of Hudaibiyah (Reconciliation), we sacrificed a camel for each seven people along with Allah's Messenger, and also a cow for seven. 'Related by Muslim.

وَعَنْ جَابِرِ بنِ عَبْدِ اَللَّهِ رَضِيَ اَللَّهُ عَنْهُمَا قَالَ: { نَحَرْنَا مَعَ اَلنَّبِيِّ ‏- صلى الله عليه وسلم ‏-عَامَ اَلْحُدَيْبِيَةِ: اَلْبَدَنَةَ عَنْ سَبْعَةٍ, وَالْبَقَرَةَ عَنْ سَبْعَةٍ } رَوَاهُ مُسْلِم ٌ (1776)‏.‏ ‏4 ‏- صحيح.‏ رواه مسلم ( 1318 )‏.‏

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also referenced under: Book 12, Hadith 1354 (In-Book)