Srimad-Bhagavatam: Canto 8 - Chapter 1 - Verse 5
Sanskrit:
कश्यपोऽत्रिर्वसिष्ठश्च विश्वामित्रोऽथ गौतम: ।जमदग्निर्भरद्वाज इति सप्तर्षय: स्मृता: ॥ ५ ॥
ITRANS:
kaśyapo ’trir vasiṣṭhaś caviśvāmitro ’tha gautamaḥjamadagnir bharadvājaiti saptarṣayaḥ smṛtāḥ
Translation:
Kaśyapa, Atri, Vasiṣṭha, Viśvāmitra, Gautama, Jamadagni and Bharadvāja are known as the seven sages.