APA (7th ed.) Citation

Knoop, O. (2019). Archivmaterialien zu Otto Knoop, 1853-1931.

Chicago Style (17th ed.) Citation

Knoop, Otto. Archivmaterialien Zu Otto Knoop, 1853-1931. 2019.

MLA (8th ed.) Citation

Knoop, Otto. Archivmaterialien Zu Otto Knoop, 1853-1931. 2019.

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