Cita APA (7a ed.)

Lucrecio Caro, T., & Latham, R. E. (1968). On the nature of the universe (1st ed., 12th repr.). Penguin Books.

Cita Chicago Style (17a ed.)

Lucrecio Caro, Tito, y R. E. Latham. On the Nature of the Universe. 1st ed., 12th repr. Harmondsworth, Middlesex [etc.]: Penguin Books, 1968.

Cita MLA (9a ed.)

Lucrecio Caro, Tito, y R. E. Latham. On the Nature of the Universe. 1st ed., 12th repr. Penguin Books, 1968.