The works of Ādi Śaṅkarācārya

Viṣṇusahasranāmastotram

Verse 98

इति श्रीविष्णुपुराणे ॥

In plain words

Thus ends the citation from the sacred Viṣṇu Purāṇa.

Close to the Sanskrit

Thus in the sacred Vishnu Purana.