APA (7th ed.) Citation

Lucretius Carus, T., & Copley, F. O. (1977). The nature of things. Norton.

Chicago Style (17th ed.) Citation

Lucretius Carus, Titus, and Frank Olin Copley. The Nature of Things. New York: Norton, 1977.

MLA (9th ed.) Citation

Lucretius Carus, Titus, and Frank Olin Copley. The Nature of Things. Norton, 1977.