Skandapurana 2.1.21.139

2.1.21.139

iti śrīskāṃde mahāpurāṇa ekāśītisāhasryāṃ saṃhitāyāṃ dvitīye vaiṣṇavakhaṇḍe śrīveṃkaṭācalamāhātmye ākāśagaṃgāmāhātmya rāmānujavipravratacaryādivarṇanaṃnāmaikaviṃśatitamo'dhyāyaḥ .. 21 ..

Thus ends the twenty-first chapter, named 'Description of the Vow and Conduct of the Brahmin Rāmānuja and the Māhātmya of Ākāśagaṅgā' in the Śrī Veṅkaṭācalamāhātmya, in the second section, the Vaiṣṇavakhaṇḍa, of the glorious Skanda Mahāpurāṇa consisting of eighty-one thousand verses.