Cita APA (7a ed.)

Duey, P. A. (2012). Bel canto in its golden age: A study of its teaching concepts. [Read?].

Cita Chicago Style (17a ed.)

Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Alcester?]: [Read?], 2012.

Cita MLA (9a ed.)

Duey, Philip A. Bel Canto in Its Golden Age: A Study of Its Teaching Concepts. [Read?], 2012.