APA (7th ed.) Citation

Hefele, F. (2019). Archivmaterialien zu Friedrich Hefele, 1884-1956.

Chicago Style (17th ed.) Citation

Hefele, Friedrich. Archivmaterialien Zu Friedrich Hefele, 1884-1956. 2019.

MLA (9th ed.) Citation

Hefele, Friedrich. Archivmaterialien Zu Friedrich Hefele, 1884-1956. 2019.

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