Shiva Purana
गंगाजलं तदा तत्र स्त्रीरूपमभवत्परम् ॥ तस्याश्चैव ऋषिश्रेष्ठः स्तुतिं कृत्वा नतिं व्यधात् ॥ २३ ॥
Then the waters of Gaṅgā assumed the form of a lady and stood there. The excellent sage eulogised her and made obeisance.
english translation
gaMgAjalaM tadA tatra strIrUpamabhavatparam ॥ tasyAzcaiva RSizreSThaH stutiM kRtvA natiM vyadhAt ॥ 23 ॥
hk transliteration by Sanscript