APA (7th ed.) Citation

Schmidt, J. (1871). Über Berthold von Regensburg.

Chicago Style (17th ed.) Citation

Schmidt, Johann. Über Berthold Von Regensburg. Wien, 1871.

MLA (9th ed.) Citation

Schmidt, Johann. Über Berthold Von Regensburg. 1871.

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