Sahih Muslim | Book 15 | Chapter 9

Narrated by Abu Huraira
Abu Huraira reported that Abu'l-Qasim (one of the names of Allah's Messenger [may peace be upon him]) said: He who accused his slave of adultery, punishment would be imposed upon him on the Day of Resurrection, except in case the accusation was as he had said.

Narrated by
This hadith has been narrated on the authority of Ibn Ghazwan (and the words are): "I heard Abu'l-Qasim (may peace be upon him) as the Prophet of repentance.