Shiva Purana
मानो महान्तमिति च चरेत्प्राज्ञः प्रदक्षिणाम् । मानस्तोकेति मंत्रेण साष्टाण्गं प्रणमेत्सुधीः ३३ ।
The wise devotee shall then perform the Pradakṣiṇā (circumambulation) with the mantra “Mā No Mahāntam”[45] and the intelligent one shall perform Sāṣṭāṅga (eight limbs touching the ground) prostration with the mantra “Mā Nastoke”[46] etc.
english translation
mAno mahAntamiti ca caretprAjJaH pradakSiNAm । mAnastoketi maMtreNa sASTANgaM praNametsudhIH 33 ।
hk transliteration by Sanscript