(4) باب تَقْدِيمِ ذَوِي السِّنِّ
It was narrated that Malik bin Al-Huwairith said:
"I came to the Messenger of Allah (ﷺ) with a cousin of mine" - once he said, "with a friend of mine" - and he said: 'When you travel, call the Adhan and Iqamah, and let the older of you lead the prayer.'"
Reference: Sunan an-Nasa'i 781
In-book reference: Book 10, Hadith 5
English translation: Vol. 1, Book 10, Hadith 782