Shiva Purana
अष्टमूर्त्यात्मना विश्वमधिष्ठायास्थितं शिवम् ॥ भजस्व सर्वभावेन रुद्रं परमकारणम् ॥ १६ ॥
Worship Śiva who presides over the universe in the eightfold forms with all devotion. Worship Rudra, the great cause.
english translation
aSTamUrtyAtmanA vizvamadhiSThAyAsthitaM zivam ॥ bhajasva sarvabhAvena rudraM paramakAraNam ॥ 16 ॥
hk transliteration by Sanscript