Shiva Purana
स्ववृत्तं ब्रूह्यशेषेण शिवाराधनसंभवम्॥ इति पृष्टस्तदा तेन रावणो वाक्यमब्रवीत् ॥ ३७॥
Please narrate the details how you propitiate Śiva. Thus asked by him Rāvaṇa replied.
english translation
svavRttaM brUhyazeSeNa zivArAdhanasaMbhavam॥ iti pRSTastadA tena rAvaNo vAkyamabravIt ॥ 37॥
hk transliteration by Sanscript