APA (7th ed.) Citation

(1926). Sonaten-Abend: Ella Mertins, August Hewers. [s.n..

Chicago Style (17th ed.) Citation

Sonaten-Abend: Ella Mertins, August Hewers. Danzig: [s.n., 1926.

MLA (9th ed.) Citation

Sonaten-Abend: Ella Mertins, August Hewers. [s.n., 1926.

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