Muwatta Malik 701

وَحَدَّثَنِي زِيَادٌ، عَنْ مَالِكٍ، عَنْ حُمَيْدٍ الطَّوِيلِ، عَنْ أَنَسِ بْنِ مَالِكٍ، أَنَّهُ قَالَ خَرَجَ عَلَيْنَا رَسُولُ اللَّهِ صلى الله عليه وسلم فِي رَمَضَانَ فَقَالَ ‏ "‏ إِنِّي أُرِيتُ هَذِهِ اللَّيْلَةَ فِي رَمَضَانَ حَتَّى تَلاَحَى رَجُلاَنِ فَرُفِعَتْ فَالْتَمِسُوهَا فِي التَّاسِعَةِ وَالسَّابِعَةِ وَالْخَامِسَةِ ‏"‏ ‏.‏

Ziyad related to me from Malik from Humayd at-Tawil that 'Anas ibn Malik said, "The Messenger of Allah, may Allah bless him and grant him peace, came out to us in Ramadan and said, 'I was shown a certain night in Ramadan and then two men abused each other and it was taken away. Look for it on the ninth and the seventh and the fifth

Reference

Muwatta Malik 701

In-book

Book 19, Hadith 12