APA (7th ed.) Citation

Koch, U., Bergmann, M., Mendelssohn-Bartholdy, F., & Fuchs, R. Romantic music for viola and piano. SWRmusic.

Chicago Style (17th ed.) Citation

Koch, Ulrich, Maria Bergmann, Felix Mendelssohn-Bartholdy, and Robert Fuchs. Romantic Music for Viola and Piano. [Germany]: SWRmusic.

MLA (8th ed.) Citation

Koch, Ulrich, et al. Romantic Music for Viola and Piano. SWRmusic.