Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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