Sunan Abi Dawud — The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj) — Hadith No: 1932
Translation
Salamah bin Kuhail said “I saw Sa’id bin Jubair he called the iqamah at Al Muzdalifah and offered three ra’kahs of the sunset prayer and two ra’kahs of the night prayer. He then said “I attended Ibn ‘Umar.” He did like this in this place and he (Ibn ‘Umar) said “I attended the Apostle of Allaah(ﷺ)”. He did in a similar way in this place