APA (7th ed.) Citation

Baumgärtner, U., Rogger, H., & Weigand, W. (2020). Horizonte: Geschichte Gymnasium Bayern. Westermann.

Chicago Style (17th ed.) Citation

Baumgärtner, Ulrich, Herbert Rogger, and Wolf Weigand. Horizonte: Geschichte Gymnasium Bayern. Braunschweig: Westermann, 2020.

MLA (9th ed.) Citation

Baumgärtner, Ulrich, et al. Horizonte: Geschichte Gymnasium Bayern. Westermann, 2020.