APA (7th ed.) Citation

Keller, W. (2019). Archivmaterialien zu Werner Keller, 1934-2020.

Chicago Style (17th ed.) Citation

Keller, Werner. Archivmaterialien Zu Werner Keller, 1934-2020. 2019.

MLA (8th ed.) Citation

Keller, Werner. Archivmaterialien Zu Werner Keller, 1934-2020. 2019.

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