APA (7th ed.) Citation

Pfordten, H. (1920). Robert Schumann. Quelle & Meyer.

Chicago Style (17th ed.) Citation

Pfordten, Hermann. Robert Schumann. Leipzig: Quelle & Meyer, 1920.

MLA (8th ed.) Citation

Pfordten, Hermann. Robert Schumann. Quelle & Meyer, 1920.

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