(22) باب مَتَى يَقُومُ النَّاسُ إِذَا رَأَوُا الإِمَامَ عِنْدَ الإِقَامَةِ
Narrated `Abdullah bin Abi Qatada:
My father said. "Allah's Messenger (ﷺ) said, 'If the Iqama is pronounced then do not stand for the prayer till you see me (in front of you).' "
Reference: Sahih al-Bukhari 637
In-book reference: Book 10, Hadith 34
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 610