APA (7th ed.) Citation

Viebrock, H. (2019). Archivmaterialien zu Helmut Viebrock, 1912-1997.

Chicago Style (17th ed.) Citation

Viebrock, Helmut. Archivmaterialien Zu Helmut Viebrock, 1912-1997. 2019.

MLA (9th ed.) Citation

Viebrock, Helmut. Archivmaterialien Zu Helmut Viebrock, 1912-1997. 2019.

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