APA (7th ed.) Citation

Shakespeare, W., Prescott, P., Spencer, T., & Sinfield, A. (1980). Hamlet. Penguin Books.

Chicago Style (17th ed.) Citation

Shakespeare, William, Paul Prescott, Terence Spencer, and Alan Sinfield. Hamlet. London: Penguin Books, 1980.

MLA (8th ed.) Citation

Shakespeare, William, et al. Hamlet. Penguin Books, 1980.