APA (7th ed.) Citation

Ahrens, K. (2019). Archivmaterialien zu Karl Ahrens, 1857-.

Chicago Style (17th ed.) Citation

Ahrens, Karl. Archivmaterialien Zu Karl Ahrens, 1857-. 2019.

MLA (8th ed.) Citation

Ahrens, Karl. Archivmaterialien Zu Karl Ahrens, 1857-. 2019.

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