Cita APA (7a ed.)

Garrett, L. (2011). A knight at the opera: Heine, Wagner, Herzl, Peretz, and the legacy of der Tannhäuser. Purdue University Press.

Cita Chicago Style (17a ed.)

Garrett, Leah. A Knight at the Opera: Heine, Wagner, Herzl, Peretz, and the Legacy of Der Tannhäuser. West Lafayette, Ind.: Purdue University Press, 2011.

Cita MLA (9a ed.)

Garrett, Leah. A Knight at the Opera: Heine, Wagner, Herzl, Peretz, and the Legacy of Der Tannhäuser. Purdue University Press, 2011.