APA (7th ed.) Citation

Webster, J., & Brennan., E. M. (1964). The Duchess of Malfi. Ernest Benn.

Chicago Style (17th ed.) Citation

Webster, John, and Elizabeth M. Brennan. The Duchess of Malfi. London: Ernest Benn, 1964.

MLA (9th ed.) Citation

Webster, John, and Elizabeth M. Brennan. The Duchess of Malfi. Ernest Benn, 1964.