APA (7th ed.) Citation

Virgil 70-19, Dryden, J., & Keener, F. M. (1997). Virgil's Aeneid. Penguin Books.

Chicago Style (17th ed.) Citation

Virgil 70-19, John Dryden, and Frederick M. Keener. Virgil's Aeneid. London: Penguin Books, 1997.

MLA (8th ed.) Citation

Virgil 70-19, et al. Virgil's Aeneid. Penguin Books, 1997.