Shiva Purana
तं दृष्ट्वा परमेशानं शक्ररूपधरं शिवम् ॥ प्रणम्य शिरसा प्राह महामुनिवरः स्वयम् ॥ १२ ॥
On seeing lord Śiva, in the form of Indra, the sage bowed his head and spoke.
english translation
taM dRSTvA paramezAnaM zakrarUpadharaM zivam ॥ praNamya zirasA prAha mahAmunivaraH svayam ॥ 12 ॥
hk transliteration by Sanscript