Sahih Muslim
The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fadail Al-Sahabah)
Book Number: 031 / Hadith Number: 5883
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.