APA (7th ed.) Citation

Webster, J., Brown, J. R., & Greer, D. (1964). The Duchess of Malfi. Harvard University Press.

Chicago Style (17th ed.) Citation

Webster, John, John Russell Brown, and David Greer. The Duchess of Malfi. Cambridge: Harvard University Press, 1964.

MLA (9th ed.) Citation

Webster, John, et al. The Duchess of Malfi. Harvard University Press, 1964.