APA Citation

Nachlass Jürgen Ritter, Pfister, Heinrich, Walter, Erna, Carl Ritter, Albert Ritter, I. 1966-19-.

Chicago Style Citation

Nachlass Jürgen Ritter, Pfister, Heinrich, Walter, Erna, Carl Ritter, Albert Ritter, I. 1966-19-.

MLA Citation

Nachlass Jürgen Ritter, Pfister, Heinrich, Walter, Erna, Carl Ritter, Albert Ritter, I. 1966-19-.

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