APA (7th ed.) Citation

Jacobi, W. (1939). III. Sonate für Klavier.

Chicago Style (17th ed.) Citation

Jacobi, Wolfgang. III. Sonate Für Klavier. [München], 1939.

MLA (9th ed.) Citation

Jacobi, Wolfgang. III. Sonate Für Klavier. 1939.

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