APA (7th ed.) Citation

Ries, F., & Oehler, A. (2006). Piano sonatas. CPO.

Chicago Style (17th ed.) Citation

Ries, Ferdinand, and Alexandra Oehler. Piano Sonatas. Georgsmarienhütte: CPO, 2006.

MLA (9th ed.) Citation

Ries, Ferdinand, and Alexandra Oehler. Piano Sonatas. CPO, 2006.

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