Cita APA

Ostwald, P. F., & Ostwald, P. F. (1985). Schumann: The inner voices of a musical genius. Boston: Northeastern University Press.

Citación estilo Chicago

Ostwald, Peter F., y Peter F. Ostwald. Schumann: The Inner Voices of a Musical Genius. Boston: Northeastern University Press, 1985.

Cita MLA

Ostwald, Peter F., y Peter F. Ostwald. Schumann: The Inner Voices of a Musical Genius. Boston: Northeastern University Press, 1985.