Shiva Purana
तस्मात्सर्वप्रयत्नेन परत्रेह च शर्मणे ॥ स्थापयेत्परमेशस्य लिंगं बेरमथापि वा ॥ ५ ॥
Hence by all means one shall install the phallic or the bodily image of Śiva for his welfare here and hereafter.
english translation
tasmAtsarvaprayatnena paratreha ca zarmaNe ॥ sthApayetparamezasya liMgaM beramathApi vA ॥ 5 ॥
hk transliteration by Sanscript