Manusmriti
यस्मादुत्पत्तिरेतेषां सर्वेषामप्यशेषतः । ये च यैरुपचर्याः स्युर्नियमैस्तान्निबोधत ॥ १९३ ॥
Now learn fully from whom all these (manes derive) their origin, and with what ceremonies they ought to be worshipped.
english translation
yasmAdutpattireteSAM sarveSAmapyazeSataH । ye ca yairupacaryAH syurniyamaistAnnibodhata ॥ 193 ॥
hk transliteration by Sanscript