APA (7th ed.) Citation

Sophocles. (1953). Electra and other Plays. Penguin Books.

Chicago Style (17th ed.) Citation

Sophocles. Electra and Other Plays. Harmondsworth: Penguin Books, 1953.

MLA (9th ed.) Citation

Sophocles. Electra and Other Plays. Penguin Books, 1953.