APA (7th ed.) Citation

Heyden, H. (2019). Archivmaterialien zu Heinrich Heyden, 1860-.

Chicago Style (17th ed.) Citation

Heyden, Heinrich. Archivmaterialien Zu Heinrich Heyden, 1860-. 2019.

MLA (9th ed.) Citation

Heyden, Heinrich. Archivmaterialien Zu Heinrich Heyden, 1860-. 2019.

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