Shiva Purana
विज्ञाप्यैवंविधैः सूक्तैर्विश्वकर्मा चतुर्मुखः ॥ नमश्चकार रुद्राय रद्राण्यै च मुहुर्मुहुः ॥ ३२ ॥
After eulogising with these and similar hymns the four-faced lord, the creator of the universe bowed again and again to Rudra and Rudrāṇī.
english translation
vijJApyaivaMvidhaiH sUktairvizvakarmA caturmukhaH ॥ namazcakAra rudrAya radrANyai ca muhurmuhuH ॥ 32 ॥
hk transliteration by Sanscript