Shiva Purana
एतत्काले तु यः कुर्यात्पूजां मल्लिंगबेरयोः । कुर्यात्तु जगतः कृत्यं स्थितिसर्गादिकं पुमान् ११ ।
He who performs the worship of my phallic emblem and the embodied image on this day will be competent, to perform the task of creation and the maintenance etc. of the universe.
english translation
etatkAle tu yaH kuryAtpUjAM malliMgaberayoH । kuryAttu jagataH kRtyaM sthitisargAdikaM pumAn 11 ।
hk transliteration by Sanscript