APA (7th ed.) Citation

Bullinger, H., Leu, U. B., Weidmann, S., & Campi, E. (2004). Werke. Werke.

Chicago Style (17th ed.) Citation

Bullinger, Heinrich, Urs B. Leu, Sandra Weidmann, and Emidio Campi. "Werke." Werke 2004.

MLA (8th ed.) Citation

Bullinger, Heinrich, et al. "Werke." Werke, 2004.