Shiva Purana
स वै स्वायंभुवो जज्ञे पुरुषो मनुरुच्यते ॥ तस्यैकसप्ततियुगं मन्वंतरमिहोच्यते ॥ ४ ॥
The Puruṣa who was born is called Svāyambhuva Manu. His age is said to be seventy-one Yugas.
english translation
sa vai svAyaMbhuvo jajJe puruSo manurucyate ॥ tasyaikasaptatiyugaM manvaMtaramihocyate ॥ 4 ॥
hk transliteration by Sanscript