Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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