One verse

Srimad Bhagavatam 9.1.21

9.1.21

एवं व्यवसितो राजन् भगवान् स महायशा: । अस्तौषीदादिपुरुषमिलाया: पुंस्त्वकाम्यया ॥ २१ ॥

evam vyavasito rajan bhagavan sa maha-yasah astausid adi-purusam ilayah pumstva-kamyaya

evam
thus
vyavasitah
deciding
rajan
O King Pariksit
bhagavan
the most powerful
sah
Vasistha
maha-yasah
very famous
astausit
offered prayers
adi-purusam
unto the Supreme Person, Lord Visnu
ilayah
of Ila
pumstva-kamyaya
for the transformation into a male.

Sukadeva Gosvami said: O King Pariksit, after the most famous and powerful Vasistha made this decision, he offered prayers to the Supreme Person, Visnu, to transform Ila into a male.