Sunan Ibn Majah, Book 33, Hadith 53 (In-Book) ⓘ
It was narrated that Jabir said: "I asked the Prophet for permission to enter, and he said: 'Who is that?' I said: 'Me'. The Prophet said " Me, me?!"
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا وَكِيعٌ، عَنْ شُعْبَةَ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ، عَنْ جَابِرٍ، قَالَ اسْتَأْذَنْتُ عَلَى النَّبِيِّ ـ صلى الله عليه وسلم ـ فَقَالَ " مَنْ هَذَا " . فَقُلْتُ أَنَا فَقَالَ النَّبِيُّ ـ صلى الله عليه وسلم ـ " أَنَا أَنَا " .
also referenced under: Hadith 3709 (Reference) & Volume 5, Book 33, Hadith 3709 (DarusSalam)