APA (7th ed.) Citation

Wilckens, O. (2019). Archivmaterialien zu Otto Wilckens, 1876-1943.

Chicago Style (17th ed.) Citation

Wilckens, Otto. Archivmaterialien Zu Otto Wilckens, 1876-1943. 2019.

MLA (9th ed.) Citation

Wilckens, Otto. Archivmaterialien Zu Otto Wilckens, 1876-1943. 2019.

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