Gaya APA

Seneca., . (-1977). Lettres from a stoic, selected and transl.with an introd.by Robin Campbell(repr.ed.). Cet.pertama 1969. : Epistulae morales ad Lucilium. . (Harmondsworth): Penguin Books.

Gaya MLA

Seneca., . "Lettres from a stoic, selected and transl.with an introd.by Robin Campbell(repr.ed.). Cet.pertama 1969. : Epistulae morales ad Lucilium. ". (Harmondsworth): Penguin Books, -1977. Buku.