APA (7th ed.) Citation

Shakespeare, W., Leonard, C., & Schleyer, S. (2007). Romeo und Julia. Lettrétage.

Chicago Style (17th ed.) Citation

Shakespeare, William, Christian Leonard, and Susanne Schleyer. Romeo Und Julia. [Berlin]: Lettrétage, 2007.

MLA (9th ed.) Citation

Shakespeare, William, et al. Romeo Und Julia. Lettrétage, 2007.