APA (7th ed.) Citation

Tydeman, W., Norton, T., & Kyd, T. (1992). Two Tudor tragedies. Penguin Books.

Chicago Style (17th ed.) Citation

Tydeman, William, Thomas Norton, and Thomas Kyd. Two Tudor Tragedies. London ; New York: Penguin Books, 1992.

MLA (9th ed.) Citation

Tydeman, William, et al. Two Tudor Tragedies. Penguin Books, 1992.