APA (7th ed.) Citation

Plato, Jowett, B., & Copi, I. M. (1949). Theaetetus. Bobbs-Merrill.

Chicago Style (17th ed.) Citation

Plato, Benjamin Jowett, and Irving M. Copi. Theaetetus. Indianapolis: Bobbs-Merrill, 1949.

MLA (8th ed.) Citation

Plato, et al. Theaetetus. Bobbs-Merrill, 1949.