Cita APA (7th ed.)

Köhler, H. J. (1986). Robert Schumann. Edition Peters.

Cita Chicago (17th ed.)

Köhler, Hans Joachim. Robert Schumann. Leipzig: Edition Peters, 1986.

Cita MLA (8th ed.)

Köhler, Hans Joachim. Robert Schumann. Edition Peters, 1986.