Sunan an-Nasa'i, Book 15, Hadith 18 (In-Book) ⓘ
It was narrated that Ibn 'Umar said: "I prayed two rak'ahs with the Messenger of Allah in Mina, and two rak'ahs with Abu Bakr, may Allah (SWT) be pleased with him, and two rak'ahs with Umar, may Allah be pleased with him."
أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالَ أَنْبَأَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ صَلَّيْتُ مَعَ النَّبِيِّ صلى الله عليه وسلم بِمِنًى رَكْعَتَيْنِ وَمَعَ أَبِي بَكْرٍ - رضى الله عنه - رَكْعَتَيْنِ وَمَعَ عُمَرَ - رضى الله عنه - رَكْعَتَيْنِ .
also referenced under: Hadith 1450 (Reference) & Volume 2, Book 15, Hadith 1451 (DarusSalam)