APA (7th ed.) Citation

Plato & Tredennick, H. (1959). The last days of Socrates. Penguin Books.

Chicago Style (17th ed.) Citation

Plato and Hugh Tredennick. The Last Days of Socrates. Middlesex, [England]: Penguin Books, 1959.

MLA (9th ed.) Citation

Plato and Hugh Tredennick. The Last Days of Socrates. Penguin Books, 1959.