Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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