Sunnah.com reference : Book 8, Hadith 136English translation : Book 8, Hadith 0Arabic reference : Book 8, Hadith 1080
Muslim has:
"When a man makes his wife unlawful for himself, it is (treated like) an oath for which atonement must be made (if broken)."
وَلِمُسْلِمٍ : { إِذَا حَرَّمَ اَلرَّجُلُ عَلَيْهِ اِمْرَأَتَهُ , فَهِيَ يَمِينٌ يُكَفِّرُهَا }   1‏ .‏‏1 ‏- صحيح .‏ رواه مسلم ( 1473 )‏.‏