APA (7th ed.) Citation

Schumann, R., Schumann, C., Bargiel, W., Liszt, F., & Witoschynskyj, I. M. (1996). Clara Schumann and her family. Dabringhaus und Grimm.

Chicago Style (17th ed.) Citation

Schumann, Robert, Clara Schumann, Woldemar Bargiel, Franz Liszt, and Ira Maria Witoschynskyj. Clara Schumann and Her Family. Detmold: Dabringhaus und Grimm, 1996.

MLA (9th ed.) Citation

Schumann, Robert, et al. Clara Schumann and Her Family. Dabringhaus und Grimm, 1996.