Wagner, R. (1981). Unser Wagner. Schott.
Cita Chicago (17th ed.)Wagner, Richard. Unser Wagner. Mainz [u.a.]: Schott, 1981.
Cita MLA (8th ed.)Wagner, Richard. Unser Wagner. Schott, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)