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: 5945
This hadith has been narrated on the authority of Hishan through the same chain of transmitters but with this addition (that by both fathers of yours) he meant Abu Bakr and Zubair.