Cita APA (7th ed.)

Bücken, E. (1933). Richard Wagner. Akad. Verl.ges. Athenaion.

Cita Chicago (17th ed.)

Bücken, Ernst. Richard Wagner. Potsdam: Akad. Verl.ges. Athenaion, 1933.

Cita MLA (8th ed.)

Bücken, Ernst. Richard Wagner. Akad. Verl.ges. Athenaion, 1933.