APA (7th ed.) Citation

Trapp, E. (1921). Die Regensburger Reichstage. Habbel.

Chicago Style (17th ed.) Citation

Trapp, Eugen. Die Regensburger Reichstage. Regensburg: Habbel, 1921.

MLA (9th ed.) Citation

Trapp, Eugen. Die Regensburger Reichstage. Habbel, 1921.

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