APA (7th ed.) Citation

Heyn, E. (2019). Archivmaterialien zu Ernst Heyn, 1860-1926.

Chicago Style (17th ed.) Citation

Heyn, Ernst. Archivmaterialien Zu Ernst Heyn, 1860-1926. 2019.

MLA (9th ed.) Citation

Heyn, Ernst. Archivmaterialien Zu Ernst Heyn, 1860-1926. 2019.

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