APA (7th ed.) Citation

Oppolzer, S. Archivmaterialien zu Siegfried Oppolzer, 1929-2005.

Chicago Style (17th ed.) Citation

Oppolzer, Siegfried. Archivmaterialien Zu Siegfried Oppolzer, 1929-2005.

MLA (9th ed.) Citation

Oppolzer, Siegfried. Archivmaterialien Zu Siegfried Oppolzer, 1929-2005.

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