APA (7th ed.) Citation

Windthorst, L., Aschoff, H., & Heinrich, H. (1995). Briefe: [1] 1834 - 1880. Briefe.

Chicago Style (17th ed.) Citation

Windthorst, Ludwig, Hans-Georg Aschoff, and Heinz-Jörg Heinrich. "Briefe: [1] 1834 - 1880." Briefe 1995.

MLA (8th ed.) Citation

Windthorst, Ludwig, et al. "Briefe: [1] 1834 - 1880." Briefe, 1995.