APA (7th ed.) Citation

Helbling, J. Archivmaterialien zu Jürg Helbling, 1954-.

Chicago Style (17th ed.) Citation

Helbling, Jürg. Archivmaterialien Zu Jürg Helbling, 1954-.

MLA (9th ed.) Citation

Helbling, Jürg. Archivmaterialien Zu Jürg Helbling, 1954-.

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