صحيح مسلم
Sahih Muslim
كتاب الإمارة
The Book on Government
باب اسْتِحْبَابِ مُبَايَعَةِ الإِمَامِ الْجَيْشَ عِنْدَ إِرَادَةِ الْقِتَالِ وَبَيَانِ بَيْعَةِ الرِّضْوَانِ تَحْتَ الشَّجَرَةِ:
Chapter: It is recommended for the army to swear allegiance to the ruler when intending to fight, and an account of Bay'at Ar-Ridwan beneath the tree
Hadith 1857
This hadith is listed as number 4816 in Maktaba Shamila
وحَدَّثَنَا ابْنُ الْمُثَنَّى ، حَدَّثَنَا أَبُو دَاوُد . َح وحَدَّثَنَاه إِسْحَاقُ بْنُ إِبْرَاهِيمَ ، أَخْبَرَنَا النَّضْرُ بْنُ شُمَيْلٍ جَمِيعًا ، عَنْ شُعْبَةَ بِهَذَا الْإِسْنَادِ مِثْلَهُ .
The same tradition has been handed down through a different chain of transmitters.
