APA (7th ed.) Citation

Shakespeare, W. (1994). Four tragedies. Penguin Books.

Chicago Style (17th ed.) Citation

Shakespeare, William. Four Tragedies. Penguin Books, 1994.

MLA (9th ed.) Citation

Shakespeare, William. Four Tragedies. Penguin Books, 1994.

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