Language:
كتاب النكاح
67  
Wedlock, Marriage (Nikaah)
(91)
Chapter: The woman is a guardian in her husband's house
(90)
باب الْمَرْأَةُ رَاعِيَةٌ فِي بَيْتِ زَوْجِهَا
Sahih al-Bukhari 5200

Narrated Ibn `Umar:

The Prophet (ﷺ) said, "All of you are guardians and are responsible for your wards. The ruler is a guardian and the man is a guardian of his family; the lady is a guardian and is responsible for her husband's house and his offspring; and so all of you are guardians and are responsible for your wards."

حَدَّثَنَا عَبْدَانُ، أَخْبَرَنَا عَبْدُ اللَّهِ، أَخْبَرَنَا مُوسَى بْنُ عُقْبَةَ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ ـ رضى الله عنهما ـ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏ "‏ كُلُّكُمْ رَاعٍ، وَكُلُّكُمْ مَسْئُولٌ عَنْ رَعِيَّتِهِ، وَالأَمِيرُ رَاعٍ، وَالرَّجُلُ رَاعٍ عَلَى أَهْلِ بَيْتِهِ، وَالْمَرْأَةُ رَاعِيَةٌ عَلَى بَيْتِ زَوْجِهَا وَوَلَدِهِ، فَكُلُّكُمْ رَاعٍ وَكُلُّكُمْ مَسْئُولٌ عَنْ رَعِيَّتِهِ ‏"‏‏.‏
Reference : Sahih al-Bukhari 5200
In-book reference : Book 67, Hadith 134
USC-MSA web (English) reference : Vol. 7, Book 62, Hadith 128
  (deprecated numbering scheme)