APA (7th ed.) Citation

Uthemann, E. W., & Seyfarth, L. (2010). Gab Heller: Vierer-Variationen ; Gup-py.

Chicago Style (17th ed.) Citation

Uthemann, Ernest W., and Ludwig Seyfarth. Gab Heller: Vierer-Variationen ; Gup-py. Saarbrücken, 2010.

MLA (8th ed.) Citation

Uthemann, Ernest W., and Ludwig Seyfarth. Gab Heller: Vierer-Variationen ; Gup-py. 2010.

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