APA (7th ed.) Citation

Pirchegger, H. (1920). Geschichte der Steiermark. Perthes.

Chicago Style (17th ed.) Citation

Pirchegger, Hans. Geschichte Der Steiermark. Gotha: Perthes, 1920.

MLA (9th ed.) Citation

Pirchegger, Hans. Geschichte Der Steiermark. Perthes, 1920.

Warning: These citations may not always be 100% accurate.