Shiva Purana
स्वं रूपमेव भगवानास्थाय परमेश्वरः ॥ दर्शयामास शिप्राय बालेन्दुकृतशेखरम् ॥ ३४ ॥
Assuming his own form with the crescent moon for his crest, Lord Śiva revealed himself to the brahmin.
english translation
svaM rUpameva bhagavAnAsthAya paramezvaraH ॥ darzayAmAsa ziprAya bAlendukRtazekharam ॥ 34 ॥
hk transliteration by Sanscript