Shiva Purana
किं वा हिरण्यगर्भेशं किं वा श्रीमध्यमेश्वरम् ॥ इत्यादिकोटिलिंगानां मध्येऽहं किमुपाश्रये ॥ ७३॥
What is the Lord of the golden womb or the Lord of the beautiful middle? What do I take refuge in among the millions of lingas like this?
english translation
kiM vA hiraNyagarbhezaM kiM vA zrImadhyamezvaram ॥ ityAdikoTiliMgAnAM madhye'haM kimupAzraye ॥ 73॥
hk transliteration by Sanscript