Cita APA (7a ed.)

Landon, H. C. R., Wadleigh, M., & Hartzell, E. (1974). Beethoven: A documentary study. Collier.

Cita Chicago Style (17a ed.)

Landon, H. C. Robbins, Michael Wadleigh, y Eugene Hartzell. Beethoven: A Documentary Study. New York: Collier, 1974.

Cita MLA (9a ed.)

Landon, H. C. Robbins, et al. Beethoven: A Documentary Study. Collier, 1974.