APA
Gerhaher C., Schubert F., Beethoven L. v. & Schumann R. (2013). Christian Gerhaher. [Europe]: Sony music entertainment.
Chicago
Gerhaher Christian, Schubert Franz, Beethoven Ludwig van and Schumann Robert. 2013. Christian Gerhaher. [Europe]: Sony music entertainment.
Harvard
Gerhaher C., Schubert F., Beethoven L. v. and Schumann R. (2013). Christian Gerhaher. [Europe]: Sony music entertainment.
MLA
Gerhaher Christian, Schubert Franz, Beethoven Ludwig van and Schumann Robert. Christian Gerhaher. [Europe]: Sony music entertainment. 2013.
