Shiva Purana
मानो महन्तमिति च मंत्रेणावाहनं चरेत् । याते रुद्रे ण मंत्रेण संचरेदुपवेशनम् १६ ।
The invocation (Āvāhana) shall be performed with the mantra “Mā no mahāntam॥ 9॥” etc. The seating (Upaveśana) shall be performed with the mantra “Yā te rudreṇa॥ 10॥”.
english translation
mAno mahantamiti ca maMtreNAvAhanaM caret । yAte rudre Na maMtreNa saMcaredupavezanam 16 ।
hk transliteration by Sanscript