APA (7th ed.) Citation

Heller, A. (2019). Archivmaterialien zu Alfred Heller, 1885-.

Chicago Style (17th ed.) Citation

Heller, Alfred. Archivmaterialien Zu Alfred Heller, 1885-. 2019.

MLA (9th ed.) Citation

Heller, Alfred. Archivmaterialien Zu Alfred Heller, 1885-. 2019.

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