Shiva Purana
संयोजयेद्वेदिकायामीशानमनुना हरम् । अन्यत्सर्वं विधानं च कुर्य्यात्संक्षेपतः सुधीः ४१ ।
The phallic image of Hara shall be fixed to the pedestal with the Īśāna॥ 57॥ mantra. The intelligent devotee shall perform all other rites in brief.
english translation
saMyojayedvedikAyAmIzAnamanunA haram । anyatsarvaM vidhAnaM ca kuryyAtsaMkSepataH sudhIH 41 ।
hk transliteration by Sanscript