Sahih Muslim
Sahih Muslim 1436 b
It is unlawful for the wife to refuse to come to her husband's bed
Arabic hadith text
وَحَدَّثَنِيهِ يَحْيَى بْنُ حَبِيبٍ، حَدَّثَنَا خَالِدٌ، - يَعْنِي ابْنَ الْحَارِثِ - حَدَّثَنَا شُعْبَةُ، بِهَذَا الإِسْنَادِ وَقَالَ " حَتَّى تَرْجِعَ
Translation
This hadith has been narrated through the same chain of transmitters (with a slight variation)
" He said: Until she comes back."