Translation of the verse 6 from Surah An-Nur : Number of verses 64 - - page 350 - Part 18.
And for those who accuse their wives, but have no witnesses except themselves, let the testimony of one of them be four testimonies (i.e. testifies four times) by Allah that he is one of those who speak the truth.
And those who accuse their wives [of adultery] and have no witnesses except themselves - then the witness of one of them [shall be] four testimonies [swearing] by Allah that indeed, he is of the truthful.
(24:6) As for those who accuse their own wives but have no witness except themselves, the evidence of one of them is that he shall swear four times by Allah and declare that he is true (in his charge).