Shiva Purana
ऋषय ऊचुः ॥ त्वया सूत महाभाग श्राविता ह्यद्भुता कथा ॥ महाकालाख्यलिंगस्य निजभक्तसुरक्षिकः॥ १॥
The sage said:— O Sūta, O fortunate Sūta, a wonderful story has been narrated of Mahākāla, the phallic image of Śiva that protects his devotees.
english translation
RSaya UcuH ॥ tvayA sUta mahAbhAga zrAvitA hyadbhutA kathA ॥ mahAkAlAkhyaliMgasya nijabhaktasurakSikaH॥ 1॥
hk transliteration by Sanscript