SB 8.13.5

kaśyapo ’trir vasiṣṭhaś ca
 viśvāmitro ’tha gautamaḥ
jamadagnir bharadvāja
 iti saptarṣayaḥ smṛtāḥ
Word for word: 
kaśyapaḥ — Kaśyapa; atriḥ — Atri; vasiṣṭhaḥ — Vasiṣṭha; ca — and; viśvāmitraḥ — Viśvāmitra; atha — as well as; gautamaḥ — Gautama; jamadagniḥ — Jamadagni; bharadvājaḥ — Bharadvāja; iti — thus; sapta-ṛṣayaḥ — the seven sages; smṛtāḥ — celebrated.
Translation: 
Kaśyapa, Atri, Vasiṣṭha, Viśvāmitra, Gautama, Jamadagni and Bharadvāja are known as the seven sages.