APA (7th ed.) Citation

Schmitt, F., Fricke, G., & Schmitt, F. (1950). 1450 - 1770. Athenäum-Verl.

Chicago Style (17th ed.) Citation

Schmitt, Fritz, Gerhard Fricke, and Fritz Schmitt. 1450 - 1770. Bonn: Athenäum-Verl, 1950.

MLA (8th ed.) Citation

Schmitt, Fritz, et al. 1450 - 1770. Athenäum-Verl, 1950.