The last days of Socrates :
Euthyphro, The apology, Crito [and] Phaedo /
Translated and with an introd. by Hugh Tredennick.

APA Citation

Plato., Tredennick, H. (1959). The last days of Socrates: Euthyphro, The apology, Crito [and] Phaedo. [New ed.]. Baltimore: Penguin Books.

MLA Citation

Plato, and Hugh Tredennick. The Last Days of Socrates: Euthyphro, The Apology, Crito [and] Phaedo. [New ed.]. Baltimore: Penguin Books, 1959.

Warning: These citations may not always be complete (especially for serials).