APA (7th ed.) Citation

Janssen, O. (2019). Nachlass von Otto Janssen, 1883-1967.

Chicago Style (17th ed.) Citation

Janssen, Otto. Nachlass Von Otto Janssen, 1883-1967. 2019.

MLA (9th ed.) Citation

Janssen, Otto. Nachlass Von Otto Janssen, 1883-1967. 2019.

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