APA (7th ed.) Citation

þorkell Sigurbjörnsson & Kessel, S. Hans-Variationen.

Chicago Style (17th ed.) Citation

þorkell Sigurbjörnsson and Susanne Kessel. Hans-Variationen.

MLA (9th ed.) Citation

þorkell Sigurbjörnsson and Susanne Kessel. Hans-Variationen.

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