One should say in the  prostration of recitation  what he says in the prostration during prayer.
https://www.youtube.com/watch?v=bIH0Qq58K7A

Can you tell me the hadith which explains about how to do sajdat tilaawah i.e while reciting Quran,only takbeer before sujood and in case while reading it while in salah,takbir before and after sujood. And is it obligatory to read Subhanallah rabill aala in it?