Cita APA

Budden, J. 1., & Budden, J. 1. (1981). The operas of Verdi. New York: Oxford University Press.

Citación estilo Chicago

Budden, Julian 1924-2007, y Julian 1924-2007 Budden. The Operas of Verdi. New York: Oxford University Press, 1981.

Cita MLA

Budden, Julian 1924-2007, y Julian 1924-2007 Budden. The Operas of Verdi. New York: Oxford University Press, 1981.