APA (7th ed.) Citation

Lucretius Carus, T., Latham, R. E., & Godwin, J. (1994). On the nature of the universe. Penguin Books.

Chicago Style (17th ed.) Citation

Lucretius Carus, Titus, R. E. Latham, and John Godwin. On the Nature of the Universe. London: Penguin Books, 1994.

MLA (9th ed.) Citation

Lucretius Carus, Titus, et al. On the Nature of the Universe. Penguin Books, 1994.