The Book of Hajj
24/56. Chapter:
Actions Related To Entering Ihram
Sunan an-Nasai
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا عَبْدُ السَّلاَمِ، عَنْ خُصَيْفٍ، عَنْ سَعِيدِ بْنِ جُبَيْرٍ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَهَلَّ فِي دُبُرِ الصَّلاَةِ .
It was narrated from Ibn 'Abbas: That the Messenger of Allah began the Talbiyah following the prayer.
Reference : Sunan an-Nasa'i 2754In-book reference : Book 24, Hadith 136English translation : Vol. 3, Book 24, Hadith 2755