APA (7th ed.) Citation

Proebsting, H. (2019). Archivmaterialien zu Helmut Proebsting.

Chicago Style (17th ed.) Citation

Proebsting, Helmut. Archivmaterialien Zu Helmut Proebsting. 2019.

MLA (9th ed.) Citation

Proebsting, Helmut. Archivmaterialien Zu Helmut Proebsting. 2019.

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