APA (7th ed.) Citation

Shakespeare, W. (1990). Romeo and Juliet. Penguin.

Chicago Style (17th ed.) Citation

Shakespeare, William. Romeo and Juliet. New York: Penguin, 1990.

MLA (9th ed.) Citation

Shakespeare, William. Romeo and Juliet. Penguin, 1990.

Warning: These citations may not always be 100% accurate.