APA (7th ed.) Citation

Shakespeare, W., Arns, K., & Shakespeare, W. (1976). Macbeth. Ferdinand Schöning.

Chicago Style (17th ed.) Citation

Shakespeare, William, Karl Arns, and William Shakespeare. Macbeth. Paderborn: Ferdinand Schöning, 1976.

MLA (9th ed.) Citation

Shakespeare, William, et al. Macbeth. Ferdinand Schöning, 1976.