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