Sahih Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Volume: 005 / Book Number: 059 / Hadith Number: 627
Narrated Ibn 'Umar:
The Prophet sent a Sariya towards Najd and I was in it, and our share from the booty amounted to twelve camels each, and we were given an additional camel each. So we returned with thirteen camels each.