Cita APA

Rolland, R., Kemp, E. S., & Pfister, G. A. (1931). Goethe and Beethoven. Harper & Brothers.

Citación estilo Chicago

Rolland, Romain, Edgar Stephen Kemp, and George Arnold Pfister. Goethe and Beethoven. New York: Harper & Brothers, 1931.

Cita MLA

Rolland, Romain, et al. Goethe and Beethoven. Harper & Brothers, 1931.