(1) باب مِنْ فَضَائِلِ أَبِي بَكْرٍ الصِّدِّيقِ رضى الله عنه
This hadith has been transmitted on the authority of Zuhri, and there is a clear mention of the stories of ox and goat (and the words are):
I believe in it and so do Abu Bakr and Umar, but they were not at that time present there. (DE)
Reference (DE): Sahih Muslim 2388 c (DE)
In-book reference (DE): Book 44, Hadith 16 (DE)
USC-MSA web (English) reference(deprecated numbering scheme): Book 31, Hadith 5883 (DE)