Shiva Purana
एवं स्थाप्य महालिंगं पूजयेदुपचारकैः । नित्यपूजा यथा शक्तिध्वजादिकरणं तथा २४ ।
Such is the installation of Śiva’s great phallic emblem which shall be worshipped with due homage. The daily worship shall be made in accorance with one’s capacity; so also the fixation of banner etc.
english translation
evaM sthApya mahAliMgaM pUjayedupacArakaiH । nityapUjA yathA zaktidhvajAdikaraNaM tathA 24 ।
hk transliteration by Sanscript