APA (7th ed.) Citation

Ketzer, H. Archivmaterialien zu Hans-Jürgen Ketzer, 1955-.

Chicago Style (17th ed.) Citation

Ketzer, Hans-Jürgen. Archivmaterialien Zu Hans-Jürgen Ketzer, 1955-.

MLA (9th ed.) Citation

Ketzer, Hans-Jürgen. Archivmaterialien Zu Hans-Jürgen Ketzer, 1955-.

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