APA (7th ed.) Citation

Pfitzner, H., & Pfitzner, H. (1920). Op. 4: Heine-Texte. Tischer & Jagenberg.

Chicago Style (17th ed.) Citation

Pfitzner, Hans, and Hans Pfitzner. Op. 4: Heine-Texte. Köln a. Rhein: Tischer & Jagenberg, 1920.

MLA (9th ed.) Citation

Pfitzner, Hans, and Hans Pfitzner. Op. 4: Heine-Texte. Tischer & Jagenberg, 1920.

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