Hisnul Muslim 132 — Immediately after salam of the witr prayer

Subḥāna ‘l-Maliki ‘l-Quddūs. ¤--------------------------------- ¤ Glory is to the King, the Holy. ¤ ¤ [Recite three times, and raise and extend the voice on the third time and say...] ¤ ¤ Rabbi ‘l-Malā'ikati war-rūh. ¤--------------------------------- ¤ Lord of the angels and the Spirit. ¤ ¤ [Recite three times in Arabic, and raise and extend the voice on the third time and say...]