Fiqh-us-Sunnah Volume 2, Supererogatory Prayer, Fiqh 2.040.
Section : The Prostration During the Qur’anic Recitation. Whoever recites an “‘ayyah of prostration (sajdah)” or hears an “‘ayyah of prostration” should preferably pronounce the takbir and prostrate and then make the takbir again and rise from the prostration. This…