APA Citation

Dreher, G. (2021). Bergverwaltung Valenciennes. Honstorf (Elbe): Gerhard Dreher.

Chicago Style Citation

Dreher, Gerhard. Bergverwaltung Valenciennes. Honstorf (Elbe): Gerhard Dreher, 2021.

MLA Citation

Dreher, Gerhard. Bergverwaltung Valenciennes. Honstorf (Elbe): Gerhard Dreher, 2021.

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