Reference : Hisn al-Muslim 28

سُبْـحانَكَ اللّهُـمَّ وَبِحَمْـدِكَ
وَتَبارَكَ اسْمُـكَ
وَتَعـالى جَـدُّكَ 
وَلا إِلهَ غَيْرُك
Subhānaka Allāhumma wa biḥamdika, 
wa tabāraka 'smuka, 
wa ta'ālā jadduka, 
wa lā 'ilāha ghayruk.

Glory is to You O Allah, and praise. 
Blessed is Your Name 
and Exalted is Your Majesty. 
There is none worthy of worship but You

Reference:
Abu Dawud, Ibn Majah, An-Nasa'i, At-Tirmidhi. See Al-Albani, Sahih 
At-Tirmidhi 1/77 and Sahih Ibn Majah 1/135.

Chapter: At the start of the prayer (after takbeer)