APA (7th ed.) Citation

Shakespeare, W., & O'Connor, J. (1999). Romeo and Juliet. Longman.

Chicago Style (17th ed.) Citation

Shakespeare, William, and John O'Connor. Romeo and Juliet. Harlow: Longman, 1999.

MLA (9th ed.) Citation

Shakespeare, William, and John O'Connor. Romeo and Juliet. Longman, 1999.

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