Cita APA (7th ed.)

Smith, P. J. (1970). The tenth muse: A historical study of the opera libretto. Schirmer Books.

Cita Chicago (17th ed.)

Smith, Patrick J. The Tenth Muse: A Historical Study of the Opera Libretto. New York: Schirmer Books, 1970.

Cita MLA (9th ed.)

Smith, Patrick J. The Tenth Muse: A Historical Study of the Opera Libretto. Schirmer Books, 1970.