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