Sahih Bukhari Volume 003, Book 029, Hadith Number 082.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 29. Penalty of Hunting While on Pilgrimage
Narated By As-Sa'ib bin Yazid : (While in the company of my parents) I was made to perform Hajj with Allah's Apostle and I was a seven-year-old boy then. (Fatch-Al-Bari, p.443, Vol.4)