APA (7th ed.) Citation

Shakespeare, W., & O'Connor, J. (1999). Macbeth. Longman.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Shakespeare, William, and John O'Connor. Macbeth. Longman, 1999.