APA (7th ed.) Citation

Volkert, W. (1991). Die älteren Regensburger Stadtsiegel.

Chicago Style (17th ed.) Citation

Volkert, Wilhelm. Die älteren Regensburger Stadtsiegel. 1991.

MLA (9th ed.) Citation

Volkert, Wilhelm. Die älteren Regensburger Stadtsiegel. 1991.

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