APA (7th ed.) Citation

Shakespeare, W., Wilson, J. D., & Duthie, G. I. (1969). Romeo and Juliet. Cambridge U.P..

Chicago Style (17th ed.) Citation

Shakespeare, William, John Dover Wilson, and George Ian Duthie. Romeo and Juliet. London: Cambridge U.P., 1969.

MLA (8th ed.) Citation

Shakespeare, William, et al. Romeo and Juliet. Cambridge U.P., 1969.